///*
// * Copyright (c) 1995, 2013, Oracle and/or its affiliates. All rights reserved.
// * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
// *
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// */
//package java.awt;
//
//import java.awt.event.*;
//import java.awt.geom.Path2D;
//import java.awt.geom.Point2D;
//import java.awt.im.InputContext;
//import java.awt.image.BufferStrategy;
//import java.awt.image.BufferedImage;
//import java.awt.peer.ComponentPeer;
//import java.awt.peer.WindowPeer;
//import java.beans.PropertyChangeListener;
//import java.io.IOException;
//import java.io.ObjectInputStream;
//import java.io.ObjectOutputStream;
//import java.io.OptionalDataException;
//import java.io.Serializable;
//import java.lang.ref.WeakReference;
//import java.lang.reflect.InvocationTargetException;
//import java.security.AccessController;
//import java.util.ArrayList;
//import java.util.Arrays;
//import java.util.EventListener;
//import java.util.Locale;
//import java.util.ResourceBundle;
//import java.util.Set;
//import java.util.Vector;
//import java.util.concurrent.atomic.AtomicBoolean;
//import javax.accessibility.*;
//import sun.awt.AWTAccessor;
//import sun.awt.AppContext;
//import sun.awt.CausedFocusEvent;
//import sun.awt.SunToolkit;
//import sun.awt.util.IdentityArrayList;
//import sun.java2d.Disposer;
//import sun.java2d.pipe.Region;
//import sun.security.action.GetPropertyAction;
//import sun.security.util.SecurityConstants;
//import sun.util.logging.PlatformLogger;
//
///**
// * A {@code Window} object is a top-level window with no borders and no
// * menubar.
// * The default layout for a window is {@code BorderLayout}.
// * <p>
// * A window must have either a frame, dialog, or another window defined as its
// * owner when it's constructed.
// * <p>
// * In a multi-screen environment, you can create a {@code Window}
// * on a different screen device by constructing the {@code Window}
// * with {@link #Window(Window, GraphicsConfiguration)}.  The
// * {@code GraphicsConfiguration} object is one of the
// * {@code GraphicsConfiguration} objects of the target screen device.
// * <p>
// * In a virtual device multi-screen environment in which the desktop
// * area could span multiple physical screen devices, the bounds of all
// * configurations are relative to the virtual device coordinate system.
// * The origin of the virtual-coordinate system is at the upper left-hand
// * corner of the primary physical screen.  Depending on the location of
// * the primary screen in the virtual device, negative coordinates are
// * possible, as shown in the following figure.
// * <p>
// * <img src="doc-files/MultiScreen.gif"
// * alt="Diagram shows virtual device containing 4 physical screens. Primary physical screen shows coords (0,0), other screen shows (-80,-100)."
// * style="float:center; margin: 7px 10px;">
// * <p>
// * In such an environment, when calling {@code setLocation},
// * you must pass a virtual coordinate to this method.  Similarly,
// * calling {@code getLocationOnScreen} on a {@code Window} returns
// * virtual device coordinates.  Call the {@code getBounds} method
// * of a {@code GraphicsConfiguration} to find its origin in the virtual
// * coordinate system.
// * <p>
// * The following code sets the location of a {@code Window}
// * at (10, 10) relative to the origin of the physical screen
// * of the corresponding {@code GraphicsConfiguration}.  If the
// * bounds of the {@code GraphicsConfiguration} is not taken
// * into account, the {@code Window} location would be set
// * at (10, 10) relative to the virtual-coordinate system and would appear
// * on the primary physical screen, which might be different from the
// * physical screen of the specified {@code GraphicsConfiguration}.
// *
// * <pre>
// *      Window w = new Window(Window owner, GraphicsConfiguration gc);
// *      Rectangle bounds = gc.getBounds();
// *      w.setLocation(10 + bounds.x, 10 + bounds.y);
// * </pre>
// *
// * <p>
// * Note: the location and size of top-level windows (including
// * {@code Window}s, {@code Frame}s, and {@code Dialog}s)
// * are under the control of the desktop's window management system.
// * Calls to {@code setLocation}, {@code setSize}, and
// * {@code setBounds} are requests (not directives) which are
// * forwarded to the window management system.  Every effort will be
// * made to honor such requests.  However, in some cases the window
// * management system may ignore such requests, or modify the requested
// * geometry in order to place and size the {@code Window} in a way
// * that more closely matches the desktop settings.
// * <p>
// * Due to the asynchronous nature of native event handling, the results
// * returned by {@code getBounds}, {@code getLocation},
// * {@code getLocationOnScreen}, and {@code getSize} might not
// * reflect the actual geometry of the Window on screen until the last
// * request has been processed.  During the processing of subsequent
// * requests these values might change accordingly while the window
// * management system fulfills the requests.
// * <p>
// * An application may set the size and location of an invisible
// * {@code Window} arbitrarily, but the window management system may
// * subsequently change its size and/or location when the
// * {@code Window} is made visible. One or more {@code ComponentEvent}s
// * will be generated to indicate the new geometry.
// * <p>
// * Windows are capable of generating the following WindowEvents:
// * WindowOpened, WindowClosed, WindowGainedFocus, WindowLostFocus.
// *
// * @author      Sami Shaio
// * @author      Arthur van Hoff
// * @see WindowEvent
// * @see #addWindowListener
// * @see java.awt.BorderLayout
// * @since       JDK1.0
// */
//public class Window extends Container implements Accessible {
//
//    /**
//     * Enumeration of available <i>window types</i>.
//     *
//     * A window type defines the generic visual appearance and behavior of a
//     * top-level window. For example, the type may affect the kind of
//     * decorations of a decorated {@code Frame} or {@code Dialog} instance.
//     * <p>
//     * Some platforms may not fully support a certain window type. Depending on
//     * the level of support, some properties of the window type may be
//     * disobeyed.
//     *
//     * @see   #getType
//     * @see   #setType
//     * @since 1.7
//     */
//    public static enum Type {
//        /**
//         * Represents a <i>normal</i> window.
//         *
//         * This is the default type for objects of the {@code Window} class or
//         * its descendants. Use this type for regular top-level windows.
//         */
//        NORMAL,
//
//        /**
//         * Represents a <i>utility</i> window.
//         *
//         * A utility window is usually a small window such as a toolbar or a
//         * palette. The native system may render the window with smaller
//         * title-bar if the window is either a {@code Frame} or a {@code
//         * Dialog} object, and if it has its decorations enabled.
//         */
//        UTILITY,
//
//        /**
//         * Represents a <i>popup</i> window.
//         *
//         * A popup window is a temporary window such as a drop-down menu or a
//         * tooltip. On some platforms, windows of that type may be forcibly
//         * made undecorated even if they are instances of the {@code Frame} or
//         * {@code Dialog} class, and have decorations enabled.
//         */
//        POPUP
//    }
//
//    /**
//     * This represents the warning message that is
//     * to be displayed in a non secure window. ie :
//     * a window that has a security manager installed that denies
//     * {@code AWTPermission("showWindowWithoutWarningBanner")}.
//     * This message can be displayed anywhere in the window.
//     *
//     * @serial
//     * @see #getWarningString
//     */
//    String      warningString;
//
//    /**
//     * {@code icons} is the graphical way we can
//     * represent the frames and dialogs.
//     * {@code Window} can't display icon but it's
//     * being inherited by owned {@code Dialog}s.
//     *
//     * @serial
//     * @see #getIconImages
//     * @see #setIconImages
//     */
//    transient java.util.List<Image> icons;
//
//    /**
//     * Holds the reference to the component which last had focus in this window
//     * before it lost focus.
//     */
//    private transient Component temporaryLostComponent;
//
//    static boolean systemSyncLWRequests = false;
//    boolean     syncLWRequests = false;
//    transient boolean beforeFirstShow = true;
//    private transient boolean disposing = false;
//    transient WindowDisposerRecord disposerRecord = null;
//
//    static final int OPENED = 0x01;
//
//    /**
//     * An Integer value representing the Window State.
//     *
//     * @serial
//     * @since 1.2
//     * @see #show
//     */
//    int state;
//
//    /**
//     * A boolean value representing Window always-on-top state
//     * @since 1.5
//     * @serial
//     * @see #setAlwaysOnTop
//     * @see #isAlwaysOnTop
//     */
//    private boolean alwaysOnTop;
//
//    /**
//     * Contains all the windows that have a peer object associated,
//     * i. e. between addNotify() and removeNotify() calls. The list
//     * of all Window instances can be obtained from AppContext object.
//     *
//     * @since 1.6
//     */
//    private static final IdentityArrayList<Window> allWindows = new IdentityArrayList<Window>();
//
//    /**
//     * A vector containing all the windows this
//     * window currently owns.
//     * @since 1.2
//     * @see #getOwnedWindows
//     */
//    transient Vector<WeakReference<Window>> ownedWindowList =
//                                            new Vector<WeakReference<Window>>();
//
//    /*
//     * We insert a weak reference into the Vector of all Windows in AppContext
//     * instead of 'this' so that garbage collection can still take place
//     * correctly.
//     */
//    private transient WeakReference<Window> weakThis;
//
//    transient boolean showWithParent;
//
//    /**
//     * Contains the modal dialog that blocks this window, or null
//     * if the window is unblocked.
//     *
//     * @since 1.6
//     */
//    transient Dialog modalBlocker;
//
//    /**
//     * @serial
//     *
//     * @see java.awt.Dialog.ModalExclusionType
//     * @see #getModalExclusionType
//     * @see #setModalExclusionType
//     *
//     * @since 1.6
//     */
//    Dialog.ModalExclusionType modalExclusionType;
//
//    transient WindowListener windowListener;
//    transient WindowStateListener windowStateListener;
//    transient WindowFocusListener windowFocusListener;
//
//    transient InputContext inputContext;
//    private transient Object inputContextLock = new Object();
//
//    /**
//     * Unused. Maintained for serialization backward-compatibility.
//     *
//     * @serial
//     * @since 1.2
//     */
//    private FocusManager focusMgr;
//
//    /**
//     * Indicates whether this Window can become the focused Window.
//     *
//     * @serial
//     * @see #getFocusableWindowState
//     * @see #setFocusableWindowState
//     * @since 1.4
//     */
//    private boolean focusableWindowState = true;
//
//    /**
//     * Indicates whether this window should receive focus on
//     * subsequently being shown (with a call to {@code setVisible(true)}), or
//     * being moved to the front (with a call to {@code toFront()}).
//     *
//     * @serial
//     * @see #setAutoRequestFocus
//     * @see #isAutoRequestFocus
//     * @since 1.7
//     */
//    private volatile boolean autoRequestFocus = true;
//
//    /*
//     * Indicates that this window is being shown. This flag is set to true at
//     * the beginning of show() and to false at the end of show().
//     *
//     * @see #show()
//     * @see Dialog#shouldBlock
//     */
//    transient boolean isInShow = false;
//
//    /**
//     * The opacity level of the window
//     *
//     * @serial
//     * @see #setOpacity(float)
//     * @see #getOpacity()
//     * @since 1.7
//     */
//    private volatile float opacity = 1.0f;
//
//    /**
//     * The shape assigned to this window. This field is set to {@code null} if
//     * no shape is set (rectangular window).
//     *
//     * @serial
//     * @see #getShape()
//     * @see #setShape(Shape)
//     * @since 1.7
//     */
//    private Shape shape = null;
//
//    private static final String base = "win";
//    private static int nameCounter = 0;
//
//    /*
//     * JDK 1.1 serialVersionUID
//     */
//    private static final long serialVersionUID = 4497834738069338734L;
//
//    private static final PlatformLogger log = PlatformLogger.getLogger("java.awt.Window");
//
//    private static final boolean locationByPlatformProp;
//
//    transient boolean isTrayIconWindow = false;
//
//    /**
//     * These fields are initialized in the native peer code
//     * or via AWTAccessor's WindowAccessor.
//     */
//    private transient volatile int securityWarningWidth = 0;
//    private transient volatile int securityWarningHeight = 0;
//
//    /**
//     * These fields represent the desired location for the security
//     * warning if this window is untrusted.
//     * See com.sun.awt.SecurityWarning for more details.
//     */
//    private transient double securityWarningPointX = 2.0;
//    private transient double securityWarningPointY = 0.0;
//    private transient float securityWarningAlignmentX = RIGHT_ALIGNMENT;
//    private transient float securityWarningAlignmentY = TOP_ALIGNMENT;
//
//    static {
//        /* ensure that the necessary native libraries are loaded */
//        Toolkit.loadLibraries();
//        if (!GraphicsEnvironment.isHeadless()) {
//            initIDs();
//        }
//
//        String s = java.security.AccessController.doPrivileged(
//            new GetPropertyAction("java.awt.syncLWRequests"));
//        systemSyncLWRequests = (s != null && s.equals("true"));
//        s = java.security.AccessController.doPrivileged(
//            new GetPropertyAction("java.awt.Window.locationByPlatform"));
//        locationByPlatformProp = (s != null && s.equals("true"));
//    }
//
//    /**
//     * Initialize JNI field and method IDs for fields that may be
//       accessed from C.
//     */
//    private static native void initIDs();
//
//    /**
//     * Constructs a new, initially invisible window in default size with the
//     * specified {@code GraphicsConfiguration}.
//     * <p>
//     * If there is a security manager, then it is invoked to check
//     * {@code AWTPermission("showWindowWithoutWarningBanner")}
//     * to determine whether or not the window must be displayed with
//     * a warning banner.
//     *
//     * @param gc the {@code GraphicsConfiguration} of the target screen
//     *     device. If {@code gc} is {@code null}, the system default
//     *     {@code GraphicsConfiguration} is assumed
//     * @exception IllegalArgumentException if {@code gc}
//     *    is not from a screen device
//     * @exception HeadlessException when
//     *     {@code GraphicsEnvironment.isHeadless()} returns {@code true}
//     *
//     * @see java.awt.GraphicsEnvironment#isHeadless
//     */
//    Window(GraphicsConfiguration gc) {
//        init(gc);
//    }
//
//    transient Object anchor = new Object();
//    static class WindowDisposerRecord implements sun.java2d.DisposerRecord {
//        WeakReference<Window> owner;
//        final WeakReference<Window> weakThis;
//        final WeakReference<AppContext> context;
//
//        WindowDisposerRecord(AppContext context, Window victim) {
//            weakThis = victim.weakThis;
//            this.context = new WeakReference<AppContext>(context);
//        }
//
//        public void updateOwner() {
//            Window victim = weakThis.get();
//            owner = (victim == null)
//                    ? null
//                    : new WeakReference<Window>(victim.getOwner());
//        }
//
//        public void dispose() {
//            if (owner != null) {
//                Window parent = owner.get();
//                if (parent != null) {
//                    parent.removeOwnedWindow(weakThis);
//                }
//            }
//            AppContext ac = context.get();
//            if (null != ac) {
//                Window.removeFromWindowList(ac, weakThis);
//            }
//        }
//    }
//
//    private GraphicsConfiguration initGC(GraphicsConfiguration gc) {
//        GraphicsEnvironment.checkHeadless();
//
//        if (gc == null) {
//            gc = GraphicsEnvironment.getLocalGraphicsEnvironment().
//                getDefaultScreenDevice().getDefaultConfiguration();
//        }
//        setGraphicsConfiguration(gc);
//
//        return gc;
//    }
//
//    private void init(GraphicsConfiguration gc) {
//        GraphicsEnvironment.checkHeadless();
//
//        syncLWRequests = systemSyncLWRequests;
//
//        weakThis = new WeakReference<Window>(this);
//        addToWindowList();
//
//        setWarningString();
//        this.cursor = Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR);
//        this.visible = false;
//
//        gc = initGC(gc);
//
//        if (gc.getDevice().getType() !=
//            GraphicsDevice.TYPE_RASTER_SCREEN) {
//            throw new IllegalArgumentException("not a screen device");
//        }
//        setLayout(new BorderLayout());
//
//        /* offset the initial location with the original of the screen */
//        /* and any insets                                              */
//        Rectangle screenBounds = gc.getBounds();
//        Insets screenInsets = getToolkit().getScreenInsets(gc);
//        int x = getX() + screenBounds.x + screenInsets.left;
//        int y = getY() + screenBounds.y + screenInsets.top;
//        if (x != this.x || y != this.y) {
//            setLocation(x, y);
//            /* reset after setLocation */
//            setLocationByPlatform(locationByPlatformProp);
//        }
//
//        modalExclusionType = Dialog.ModalExclusionType.NO_EXCLUDE;
//        disposerRecord = new WindowDisposerRecord(appContext, this);
//        sun.java2d.Disposer.addRecord(anchor, disposerRecord);
//
//        SunToolkit.checkAndSetPolicy(this);
//    }
//
//    /**
//     * Constructs a new, initially invisible window in the default size.
//     * <p>
//     * If there is a security manager set, it is invoked to check
//     * {@code AWTPermission("showWindowWithoutWarningBanner")}.
//     * If that check fails with a {@code SecurityException} then a warning
//     * banner is created.
//     *
//     * @exception HeadlessException when
//     *     {@code GraphicsEnvironment.isHeadless()} returns {@code true}
//     *
//     * @see java.awt.GraphicsEnvironment#isHeadless
//     */
//    Window() throws HeadlessException {
//        GraphicsEnvironment.checkHeadless();
//        init((GraphicsConfiguration)null);
//    }
//
//    /**
//     * Constructs a new, initially invisible window with the specified
//     * {@code Frame} as its owner. The window will not be focusable
//     * unless its owner is showing on the screen.
//     * <p>
//     * If there is a security manager set, it is invoked to check
//     * {@code AWTPermission("showWindowWithoutWarningBanner")}.
//     * If that check fails with a {@code SecurityException} then a warning
//     * banner is created.
//     *
//     * @param owner the {@code Frame} to act as owner or {@code null}
//     *    if this window has no owner
//     * @exception IllegalArgumentException if the {@code owner}'s
//     *    {@code GraphicsConfiguration} is not from a screen device
//     * @exception HeadlessException when
//     *    {@code GraphicsEnvironment.isHeadless} returns {@code true}
//     *
//     * @see java.awt.GraphicsEnvironment#isHeadless
//     * @see #isShowing
//     */
//    public Window(Frame owner) {
//        this(owner == null ? (GraphicsConfiguration)null :
//            owner.getGraphicsConfiguration());
//        ownedInit(owner);
//    }
//
//    /**
//     * Constructs a new, initially invisible window with the specified
//     * {@code Window} as its owner. This window will not be focusable
//     * unless its nearest owning {@code Frame} or {@code Dialog}
//     * is showing on the screen.
//     * <p>
//     * If there is a security manager set, it is invoked to check
//     * {@code AWTPermission("showWindowWithoutWarningBanner")}.
//     * If that check fails with a {@code SecurityException} then a
//     * warning banner is created.
//     *
//     * @param owner the {@code Window} to act as owner or
//     *     {@code null} if this window has no owner
//     * @exception IllegalArgumentException if the {@code owner}'s
//     *     {@code GraphicsConfiguration} is not from a screen device
//     * @exception HeadlessException when
//     *     {@code GraphicsEnvironment.isHeadless()} returns
//     *     {@code true}
//     *
//     * @see       java.awt.GraphicsEnvironment#isHeadless
//     * @see       #isShowing
//     *
//     * @since     1.2
//     */
//    public Window(Window owner) {
//        this(owner == null ? (GraphicsConfiguration)null :
//            owner.getGraphicsConfiguration());
//        ownedInit(owner);
//    }
//
//    /**
//     * Constructs a new, initially invisible window with the specified owner
//     * {@code Window} and a {@code GraphicsConfiguration}
//     * of a screen device. The Window will not be focusable unless
//     * its nearest owning {@code Frame} or {@code Dialog}
//     * is showing on the screen.
//     * <p>
//     * If there is a security manager set, it is invoked to check
//     * {@code AWTPermission("showWindowWithoutWarningBanner")}. If that
//     * check fails with a {@code SecurityException} then a warning banner
//     * is created.
//     *
//     * @param owner the window to act as owner or {@code null}
//     *     if this window has no owner
//     * @param gc the {@code GraphicsConfiguration} of the target
//     *     screen device; if {@code gc} is {@code null},
//     *     the system default {@code GraphicsConfiguration} is assumed
//     * @exception IllegalArgumentException if {@code gc}
//     *     is not from a screen device
//     * @exception HeadlessException when
//     *     {@code GraphicsEnvironment.isHeadless()} returns
//     *     {@code true}
//     *
//     * @see       java.awt.GraphicsEnvironment#isHeadless
//     * @see       GraphicsConfiguration#getBounds
//     * @see       #isShowing
//     * @since     1.3
//     */
//    public Window(Window owner, GraphicsConfiguration gc) {
//        this(gc);
//        ownedInit(owner);
//    }
//
//    private void ownedInit(Window owner) {
//        this.parent = owner;
//        if (owner != null) {
//            owner.addOwnedWindow(weakThis);
//            if (owner.isAlwaysOnTop()) {
//                try {
//                    setAlwaysOnTop(true);
//                } catch (SecurityException ignore) {
//                }
//            }
//        }
//
//        // WindowDisposerRecord requires a proper value of parent field.
//        disposerRecord.updateOwner();
//    }
//
//    /**
//     * Construct a name for this component.  Called by getName() when the
//     * name is null.
//     */
//    String constructComponentName() {
//        synchronized (Window.class) {
//            return base + nameCounter++;
//        }
//    }
//
//    /**
//     * Returns the sequence of images to be displayed as the icon for this window.
//     * <p>
//     * This method returns a copy of the internally stored list, so all operations
//     * on the returned object will not affect the window's behavior.
//     *
//     * @return    the copy of icon images' list for this window, or
//     *            empty list if this window doesn't have icon images.
//     * @see       #setIconImages
//     * @see       #setIconImage(Image)
//     * @since     1.6
//     */
//    public java.util.List<Image> getIconImages() {
//        java.util.List<Image> icons = this.icons;
//        if (icons == null || icons.size() == 0) {
//            return new ArrayList<Image>();
//        }
//        return new ArrayList<Image>(icons);
//    }
//
//    /**
//     * Sets the sequence of images to be displayed as the icon
//     * for this window. Subsequent calls to {@code getIconImages} will
//     * always return a copy of the {@code icons} list.
//     * <p>
//     * Depending on the platform capabilities one or several images
//     * of different dimensions will be used as the window's icon.
//     * <p>
//     * The {@code icons} list is scanned for the images of most
//     * appropriate dimensions from the beginning. If the list contains
//     * several images of the same size, the first will be used.
//     * <p>
//     * Ownerless windows with no icon specified use platfrom-default icon.
//     * The icon of an owned window may be inherited from the owner
//     * unless explicitly overridden.
//     * Setting the icon to {@code null} or empty list restores
//     * the default behavior.
//     * <p>
//     * Note : Native windowing systems may use different images of differing
//     * dimensions to represent a window, depending on the context (e.g.
//     * window decoration, window list, taskbar, etc.). They could also use
//     * just a single image for all contexts or no image at all.
//     *
//     * @param     icons the list of icon images to be displayed.
//     * @see       #getIconImages()
//     * @see       #setIconImage(Image)
//     * @since     1.6
//     */
//    public synchronized void setIconImages(java.util.List<? extends Image> icons) {
//        this.icons = (icons == null) ? new ArrayList<Image>() :
//            new ArrayList<Image>(icons);
//        WindowPeer peer = (WindowPeer)this.peer;
//        if (peer != null) {
//            peer.updateIconImages();
//        }
//        // Always send a property change event
//        firePropertyChange("iconImage", null, null);
//    }
//
//    /**
//     * Sets the image to be displayed as the icon for this window.
//     * <p>
//     * This method can be used instead of {@link #setIconImages setIconImages()}
//     * to specify a single image as a window's icon.
//     * <p>
//     * The following statement:
//     * <pre>
//     *     setIconImage(image);
//     * </pre>
//     * is equivalent to:
//     * <pre>
//     *     ArrayList&lt;Image&gt; imageList = new ArrayList&lt;Image&gt;();
//     *     imageList.add(image);
//     *     setIconImages(imageList);
//     * </pre>
//     * <p>
//     * Note : Native windowing systems may use different images of differing
//     * dimensions to represent a window, depending on the context (e.g.
//     * window decoration, window list, taskbar, etc.). They could also use
//     * just a single image for all contexts or no image at all.
//     *
//     * @param     image the icon image to be displayed.
//     * @see       #setIconImages
//     * @see       #getIconImages()
//     * @since     1.6
//     */
//    public void setIconImage(Image image) {
//        ArrayList<Image> imageList = new ArrayList<Image>();
//        if (image != null) {
//            imageList.add(image);
//        }
//        setIconImages(imageList);
//    }
//
//    /**
//     * Makes this Window displayable by creating the connection to its
//     * native screen resource.
//     * This method is called internally by the toolkit and should
//     * not be called directly by programs.
//     * @see Component#isDisplayable
//     * @see Container#removeNotify
//     * @since JDK1.0
//     */
//    public void addNotify() {
//        synchronized (getTreeLock()) {
//            Container parent = this.parent;
//            if (parent != null && parent.getPeer() == null) {
//                parent.addNotify();
//            }
//            if (peer == null) {
//                peer = getToolkit().createWindow(this);
//            }
//            synchronized (allWindows) {
//                allWindows.add(this);
//            }
//            super.addNotify();
//        }
//    }
//
//    /**
//     * {@inheritDoc}
//     */
//    public void removeNotify() {
//        synchronized (getTreeLock()) {
//            synchronized (allWindows) {
//                allWindows.remove(this);
//            }
//            super.removeNotify();
//        }
//    }
//
//    /**
//     * Causes this Window to be sized to fit the preferred size
//     * and layouts of its subcomponents. The resulting width and
//     * height of the window are automatically enlarged if either
//     * of dimensions is less than the minimum size as specified
//     * by the previous call to the {@code setMinimumSize} method.
//     * <p>
//     * If the window and/or its owner are not displayable yet,
//     * both of them are made displayable before calculating
//     * the preferred size. The Window is validated after its
//     * size is being calculated.
//     *
//     * @see Component#isDisplayable
//     * @see #setMinimumSize
//     */
//    public void pack() {
//        Container parent = this.parent;
//        if (parent != null && parent.getPeer() == null) {
//            parent.addNotify();
//        }
//        if (peer == null) {
//            addNotify();
//        }
//        Dimension newSize = getPreferredSize();
//        if (peer != null) {
//            setClientSize(newSize.width, newSize.height);
//        }
//
//        if(beforeFirstShow) {
//            isPacked = true;
//        }
//
//        validateUnconditionally();
//    }
//
//    /**
//     * Sets the minimum size of this window to a constant
//     * value.  Subsequent calls to {@code getMinimumSize}
//     * will always return this value. If current window's
//     * size is less than {@code minimumSize} the size of the
//     * window is automatically enlarged to honor the minimum size.
//     * <p>
//     * If the {@code setSize} or {@code setBounds} methods
//     * are called afterwards with a width or height less than
//     * that was specified by the {@code setMinimumSize} method
//     * the window is automatically enlarged to meet
//     * the {@code minimumSize} value. The {@code minimumSize}
//     * value also affects the behaviour of the {@code pack} method.
//     * <p>
//     * The default behavior is restored by setting the minimum size
//     * parameter to the {@code null} value.
//     * <p>
//     * Resizing operation may be restricted if the user tries
//     * to resize window below the {@code minimumSize} value.
//     * This behaviour is platform-dependent.
//     *
//     * @param minimumSize the new minimum size of this window
//     * @see Component#setMinimumSize
//     * @see #getMinimumSize
//     * @see #isMinimumSizeSet
//     * @see #setSize(Dimension)
//     * @see #pack
//     * @since 1.6
//     */
//    public void setMinimumSize(Dimension minimumSize) {
//        synchronized (getTreeLock()) {
//            super.setMinimumSize(minimumSize);
//            Dimension size = getSize();
//            if (isMinimumSizeSet()) {
//                if (size.width < minimumSize.width || size.height < minimumSize.height) {
//                    int nw = Math.max(width, minimumSize.width);
//                    int nh = Math.max(height, minimumSize.height);
//                    setSize(nw, nh);
//                }
//            }
//            if (peer != null) {
//                ((WindowPeer)peer).updateMinimumSize();
//            }
//        }
//    }
//
//    /**
//     * {@inheritDoc}
//     * <p>
//     * The {@code d.width} and {@code d.height} values
//     * are automatically enlarged if either is less than
//     * the minimum size as specified by previous call to
//     * {@code setMinimumSize}.
//     * <p>
//     * The method changes the geometry-related data. Therefore,
//     * the native windowing system may ignore such requests, or it may modify
//     * the requested data, so that the {@code Window} object is placed and sized
//     * in a way that corresponds closely to the desktop settings.
//     *
//     * @see #getSize
//     * @see #setBounds
//     * @see #setMinimumSize
//     * @since 1.6
//     */
//    public void setSize(Dimension d) {
//        super.setSize(d);
//    }
//
//    /**
//     * {@inheritDoc}
//     * <p>
//     * The {@code width} and {@code height} values
//     * are automatically enlarged if either is less than
//     * the minimum size as specified by previous call to
//     * {@code setMinimumSize}.
//     * <p>
//     * The method changes the geometry-related data. Therefore,
//     * the native windowing system may ignore such requests, or it may modify
//     * the requested data, so that the {@code Window} object is placed and sized
//     * in a way that corresponds closely to the desktop settings.
//     *
//     * @see #getSize
//     * @see #setBounds
//     * @see #setMinimumSize
//     * @since 1.6
//     */
//    public void setSize(int width, int height) {
//        super.setSize(width, height);
//    }
//
//    /**
//     * {@inheritDoc}
//     * <p>
//     * The method changes the geometry-related data. Therefore,
//     * the native windowing system may ignore such requests, or it may modify
//     * the requested data, so that the {@code Window} object is placed and sized
//     * in a way that corresponds closely to the desktop settings.
//     */
//    @Override
//    public void setLocation(int x, int y) {
//        super.setLocation(x, y);
//    }
//
//    /**
//     * {@inheritDoc}
//     * <p>
//     * The method changes the geometry-related data. Therefore,
//     * the native windowing system may ignore such requests, or it may modify
//     * the requested data, so that the {@code Window} object is placed and sized
//     * in a way that corresponds closely to the desktop settings.
//     */
//    @Override
//    public void setLocation(Point p) {
//        super.setLocation(p);
//    }
//
//    /**
//     * @deprecated As of JDK version 1.1,
//     * replaced by {@code setBounds(int, int, int, int)}.
//     */
//    @Deprecated
//    public void reshape(int x, int y, int width, int height) {
//        if (isMinimumSizeSet()) {
//            Dimension minSize = getMinimumSize();
//            if (width < minSize.width) {
//                width = minSize.width;
//            }
//            if (height < minSize.height) {
//                height = minSize.height;
//            }
//        }
//        super.reshape(x, y, width, height);
//    }
//
//    void setClientSize(int w, int h) {
//        synchronized (getTreeLock()) {
//            setBoundsOp(ComponentPeer.SET_CLIENT_SIZE);
//            setBounds(x, y, w, h);
//        }
//    }
//
//    static private final AtomicBoolean
//        beforeFirstWindowShown = new AtomicBoolean(true);
//
//    final void closeSplashScreen() {
//        if (isTrayIconWindow) {
//            return;
//        }
//        if (beforeFirstWindowShown.getAndSet(false)) {
//            // We don't use SplashScreen.getSplashScreen() to avoid instantiating
//            // the object if it hasn't been requested by user code explicitly
//            SunToolkit.closeSplashScreen();
//            SplashScreen.markClosed();
//        }
//    }
//
//    /**
//     * Shows or hides this {@code Window} depending on the value of parameter
//     * {@code b}.
//     * <p>
//     * If the method shows the window then the window is also made
//     * focused under the following conditions:
//     * <ul>
//     * <li> The {@code Window} meets the requirements outlined in the
//     *      {@link #isFocusableWindow} method.
//     * <li> The {@code Window}'s {@code autoRequestFocus} property is of the {@code true} value.
//     * <li> Native windowing system allows the {@code Window} to get focused.
//     * </ul>
//     * There is an exception for the second condition (the value of the
//     * {@code autoRequestFocus} property). The property is not taken into account if the
//     * window is a modal dialog, which blocks the currently focused window.
//     * <p>
//     * Developers must never assume that the window is the focused or active window
//     * until it receives a WINDOW_GAINED_FOCUS or WINDOW_ACTIVATED event.
//     * @param b  if {@code true}, makes the {@code Window} visible,
//     * otherwise hides the {@code Window}.
//     * If the {@code Window} and/or its owner
//     * are not yet displayable, both are made displayable.  The
//     * {@code Window} will be validated prior to being made visible.
//     * If the {@code Window} is already visible, this will bring the
//     * {@code Window} to the front.<p>
//     * If {@code false}, hides this {@code Window}, its subcomponents, and all
//     * of its owned children.
//     * The {@code Window} and its subcomponents can be made visible again
//     * with a call to {@code #setVisible(true)}.
//     * @see java.awt.Component#isDisplayable
//     * @see java.awt.Component#setVisible
//     * @see java.awt.Window#toFront
//     * @see java.awt.Window#dispose
//     * @see java.awt.Window#setAutoRequestFocus
//     * @see java.awt.Window#isFocusableWindow
//     */
//    public void setVisible(boolean b) {
//        super.setVisible(b);
//    }
//
//    /**
//     * Makes the Window visible. If the Window and/or its owner
//     * are not yet displayable, both are made displayable.  The
//     * Window will be validated prior to being made visible.
//     * If the Window is already visible, this will bring the Window
//     * to the front.
//     * @see       Component#isDisplayable
//     * @see       #toFront
//     * @deprecated As of JDK version 1.5, replaced by
//     * {@link #setVisible(boolean)}.
//     */
//    @Deprecated
//    public void show() {
//        if (peer == null) {
//            addNotify();
//        }
//        validateUnconditionally();
//
//        isInShow = true;
//        if (visible) {
//            toFront();
//        } else {
//            beforeFirstShow = false;
//            closeSplashScreen();
//            Dialog.checkShouldBeBlocked(this);
//            super.show();
//            locationByPlatform = false;
//            for (int i = 0; i < ownedWindowList.size(); i++) {
//                Window child = ownedWindowList.elementAt(i).get();
//                if ((child != null) && child.showWithParent) {
//                    child.show();
//                    child.showWithParent = false;
//                }       // endif
//            }   // endfor
//            if (!isModalBlocked()) {
//                updateChildrenBlocking();
//            } else {
//                // fix for 6532736: after this window is shown, its blocker
//                // should be raised to front
//                modalBlocker.toFront_NoClientCode();
//            }
//            if (this instanceof Frame || this instanceof Dialog) {
//                updateChildFocusableWindowState(this);
//            }
//        }
//        isInShow = false;
//
//        // If first time shown, generate WindowOpened event
//        if ((state & OPENED) == 0) {
//            postWindowEvent(WindowEvent.WINDOW_OPENED);
//            state |= OPENED;
//        }
//    }
//
//    static void updateChildFocusableWindowState(Window w) {
//        if (w.getPeer() != null && w.isShowing()) {
//            ((WindowPeer)w.getPeer()).updateFocusableWindowState();
//        }
//        for (int i = 0; i < w.ownedWindowList.size(); i++) {
//            Window child = w.ownedWindowList.elementAt(i).get();
//            if (child != null) {
//                updateChildFocusableWindowState(child);
//            }
//        }
//    }
//
//    synchronized void postWindowEvent(int id) {
//        if (windowListener != null
//            || (eventMask & AWTEvent.WINDOW_EVENT_MASK) != 0
//            ||  Toolkit.enabledOnToolkit(AWTEvent.WINDOW_EVENT_MASK)) {
//            WindowEvent e = new WindowEvent(this, id);
//            Toolkit.getEventQueue().postEvent(e);
//        }
//    }
//
//    /**
//     * Hide this Window, its subcomponents, and all of its owned children.
//     * The Window and its subcomponents can be made visible again
//     * with a call to {@code show}.
//     * @see #show
//     * @see #dispose
//     * @deprecated As of JDK version 1.5, replaced by
//     * {@link #setVisible(boolean)}.
//     */
//    @Deprecated
//    public void hide() {
//        synchronized(ownedWindowList) {
//            for (int i = 0; i < ownedWindowList.size(); i++) {
//                Window child = ownedWindowList.elementAt(i).get();
//                if ((child != null) && child.visible) {
//                    child.hide();
//                    child.showWithParent = true;
//                }
//            }
//        }
//        if (isModalBlocked()) {
//            modalBlocker.unblockWindow(this);
//        }
//        super.hide();
//        locationByPlatform = false;
//    }
//
//    final void clearMostRecentFocusOwnerOnHide() {
//        /* do nothing */
//    }
//
//    /**
//     * Releases all of the native screen resources used by this
//     * {@code Window}, its subcomponents, and all of its owned
//     * children. That is, the resources for these {@code Component}s
//     * will be destroyed, any memory they consume will be returned to the
//     * OS, and they will be marked as undisplayable.
//     * <p>
//     * The {@code Window} and its subcomponents can be made displayable
//     * again by rebuilding the native resources with a subsequent call to
//     * {@code pack} or {@code show}. The states of the recreated
//     * {@code Window} and its subcomponents will be identical to the
//     * states of these objects at the point where the {@code Window}
//     * was disposed (not accounting for additional modifications between
//     * those actions).
//     * <p>
//     * <b>Note</b>: When the last displayable window
//     * within the Java virtual machine (VM) is disposed of, the VM may
//     * terminate.  See <a href="doc-files/AWTThreadIssues.html#Autoshutdown">
//     * AWT Threading Issues</a> for more information.
//     * @see Component#isDisplayable
//     * @see #pack
//     * @see #show
//     */
//    public void dispose() {
//        doDispose();
//    }
//
//    /*
//     * Fix for 4872170.
//     * If dispose() is called on parent then its children have to be disposed as well
//     * as reported in javadoc. So we need to implement this functionality even if a
//     * child overrides dispose() in a wrong way without calling super.dispose().
//     */
//    void disposeImpl() {
//        dispose();
//        if (getPeer() != null) {
//            doDispose();
//        }
//    }
//
//    void doDispose() {
//    class DisposeAction implements Runnable {
//        public void run() {
//            disposing = true;
//            try {
//                // Check if this window is the fullscreen window for the
//                // device. Exit the fullscreen mode prior to disposing
//                // of the window if that's the case.
//                GraphicsDevice gd = getGraphicsConfiguration().getDevice();
//                if (gd.getFullScreenWindow() == Window.this) {
//                    gd.setFullScreenWindow(null);
//                }
//
//                Object[] ownedWindowArray;
//                synchronized(ownedWindowList) {
//                    ownedWindowArray = new Object[ownedWindowList.size()];
//                    ownedWindowList.copyInto(ownedWindowArray);
//                }
//                for (int i = 0; i < ownedWindowArray.length; i++) {
//                    Window child = (Window) (((WeakReference)
//                                   (ownedWindowArray[i])).get());
//                    if (child != null) {
//                        child.disposeImpl();
//                    }
//                }
//                hide();
//                beforeFirstShow = true;
//                removeNotify();
//                synchronized (inputContextLock) {
//                    if (inputContext != null) {
//                        inputContext.dispose();
//                        inputContext = null;
//                    }
//                }
//                clearCurrentFocusCycleRootOnHide();
//            } finally {
//                disposing = false;
//            }
//        }
//    }
//        boolean fireWindowClosedEvent = isDisplayable();
//        DisposeAction action = new DisposeAction();
//        if (EventQueue.isDispatchThread()) {
//            action.run();
//        }
//        else {
//            try {
//                EventQueue.invokeAndWait(this, action);
//            }
//            catch (InterruptedException e) {
//                System.err.println("Disposal was interrupted:");
//                e.printStackTrace();
//            }
//            catch (InvocationTargetException e) {
//                System.err.println("Exception during disposal:");
//                e.printStackTrace();
//            }
//        }
//        // Execute outside the Runnable because postWindowEvent is
//        // synchronized on (this). We don't need to synchronize the call
//        // on the EventQueue anyways.
//        if (fireWindowClosedEvent) {
//            postWindowEvent(WindowEvent.WINDOW_CLOSED);
//        }
//    }
//
//    /*
//     * Should only be called while holding the tree lock.
//     * It's overridden here because parent == owner in Window,
//     * and we shouldn't adjust counter on owner
//     */
//    void adjustListeningChildrenOnParent(long mask, int num) {
//    }
//
//    // Should only be called while holding tree lock
//    void adjustDecendantsOnParent(int num) {
//        // do nothing since parent == owner and we shouldn't
//        // ajust counter on owner
//    }
//
//    /**
//     * If this Window is visible, brings this Window to the front and may make
//     * it the focused Window.
//     * <p>
//     * Places this Window at the top of the stacking order and shows it in
//     * front of any other Windows in this VM. No action will take place if this
//     * Window is not visible. Some platforms do not allow Windows which own
//     * other Windows to appear on top of those owned Windows. Some platforms
//     * may not permit this VM to place its Windows above windows of native
//     * applications, or Windows of other VMs. This permission may depend on
//     * whether a Window in this VM is already focused. Every attempt will be
//     * made to move this Window as high as possible in the stacking order;
//     * however, developers should not assume that this method will move this
//     * Window above all other windows in every situation.
//     * <p>
//     * Developers must never assume that this Window is the focused or active
//     * Window until this Window receives a WINDOW_GAINED_FOCUS or WINDOW_ACTIVATED
//     * event. On platforms where the top-most window is the focused window, this
//     * method will <b>probably</b> focus this Window (if it is not already focused)
//     * under the following conditions:
//     * <ul>
//     * <li> The window meets the requirements outlined in the
//     *      {@link #isFocusableWindow} method.
//     * <li> The window's property {@code autoRequestFocus} is of the
//     *      {@code true} value.
//     * <li> Native windowing system allows the window to get focused.
//     * </ul>
//     * On platforms where the stacking order does not typically affect the focused
//     * window, this method will <b>probably</b> leave the focused and active
//     * Windows unchanged.
//     * <p>
//     * If this method causes this Window to be focused, and this Window is a
//     * Frame or a Dialog, it will also become activated. If this Window is
//     * focused, but it is not a Frame or a Dialog, then the first Frame or
//     * Dialog that is an owner of this Window will be activated.
//     * <p>
//     * If this window is blocked by modal dialog, then the blocking dialog
//     * is brought to the front and remains above the blocked window.
//     *
//     * @see       #toBack
//     * @see       #setAutoRequestFocus
//     * @see       #isFocusableWindow
//     */
//    public void toFront() {
//        toFront_NoClientCode();
//    }
//
//    // This functionality is implemented in a final package-private method
//    // to insure that it cannot be overridden by client subclasses.
//    final void toFront_NoClientCode() {
//        if (visible) {
//            WindowPeer peer = (WindowPeer)this.peer;
//            if (peer != null) {
//                peer.toFront();
//            }
//            if (isModalBlocked()) {
//                modalBlocker.toFront_NoClientCode();
//            }
//        }
//    }
//
//    /**
//     * If this Window is visible, sends this Window to the back and may cause
//     * it to lose focus or activation if it is the focused or active Window.
//     * <p>
//     * Places this Window at the bottom of the stacking order and shows it
//     * behind any other Windows in this VM. No action will take place is this
//     * Window is not visible. Some platforms do not allow Windows which are
//     * owned by other Windows to appear below their owners. Every attempt will
//     * be made to move this Window as low as possible in the stacking order;
//     * however, developers should not assume that this method will move this
//     * Window below all other windows in every situation.
//     * <p>
//     * Because of variations in native windowing systems, no guarantees about
//     * changes to the focused and active Windows can be made. Developers must
//     * never assume that this Window is no longer the focused or active Window
//     * until this Window receives a WINDOW_LOST_FOCUS or WINDOW_DEACTIVATED
//     * event. On platforms where the top-most window is the focused window,
//     * this method will <b>probably</b> cause this Window to lose focus. In
//     * that case, the next highest, focusable Window in this VM will receive
//     * focus. On platforms where the stacking order does not typically affect
//     * the focused window, this method will <b>probably</b> leave the focused
//     * and active Windows unchanged.
//     *
//     * @see       #toFront
//     */
//    public void toBack() {
//        toBack_NoClientCode();
//    }
//
//    // This functionality is implemented in a final package-private method
//    // to insure that it cannot be overridden by client subclasses.
//    final void toBack_NoClientCode() {
//        if(isAlwaysOnTop()) {
//            try {
//                setAlwaysOnTop(false);
//            }catch(SecurityException e) {
//            }
//        }
//        if (visible) {
//            WindowPeer peer = (WindowPeer)this.peer;
//            if (peer != null) {
//                peer.toBack();
//            }
//        }
//    }
//
//    /**
//     * Returns the toolkit of this frame.
//     * @return    the toolkit of this window.
//     * @see       Toolkit
//     * @see       Toolkit#getDefaultToolkit
//     * @see       Component#getToolkit
//     */
//    public Toolkit getToolkit() {
//        return Toolkit.getDefaultToolkit();
//    }
//
//    /**
//     * Gets the warning string that is displayed with this window.
//     * If this window is insecure, the warning string is displayed
//     * somewhere in the visible area of the window. A window is
//     * insecure if there is a security manager and the security
//     * manager denies
//     * {@code AWTPermission("showWindowWithoutWarningBanner")}.
//     * <p>
//     * If the window is secure, then {@code getWarningString}
//     * returns {@code null}. If the window is insecure, this
//     * method checks for the system property
//     * {@code awt.appletWarning}
//     * and returns the string value of that property.
//     * @return    the warning string for this window.
//     */
//    public final String getWarningString() {
//        return warningString;
//    }
//
//    private void setWarningString() {
//        warningString = null;
//        SecurityManager sm = System.getSecurityManager();
//        if (sm != null) {
//            try {
//                sm.checkPermission(SecurityConstants.AWT.TOPLEVEL_WINDOW_PERMISSION);
//            } catch (SecurityException se) {
//                // make sure the privileged action is only
//                // for getting the property! We don't want the
//                // above checkPermission call to always succeed!
//                warningString = AccessController.doPrivileged(
//                      new GetPropertyAction("awt.appletWarning",
//                                            "Java Applet Window"));
//            }
//        }
//    }
//
//    /**
//     * Gets the {@code Locale} object that is associated
//     * with this window, if the locale has been set.
//     * If no locale has been set, then the default locale
//     * is returned.
//     * @return    the locale that is set for this window.
//     * @see       java.util.Locale
//     * @since     JDK1.1
//     */
//    public Locale getLocale() {
//      if (this.locale == null) {
//        return Locale.getDefault();
//      }
//      return this.locale;
//    }
//
//    /**
//     * Gets the input context for this window. A window always has an input context,
//     * which is shared by subcomponents unless they create and set their own.
//     * @see Component#getInputContext
//     * @since 1.2
//     */
//    public InputContext getInputContext() {
//        synchronized (inputContextLock) {
//            if (inputContext == null) {
//                inputContext = InputContext.getInstance();
//            }
//        }
//        return inputContext;
//    }
//
//    /**
//     * Set the cursor image to a specified cursor.
//     * <p>
//     * The method may have no visual effect if the Java platform
//     * implementation and/or the native system do not support
//     * changing the mouse cursor shape.
//     * @param     cursor One of the constants defined
//     *            by the {@code Cursor} class. If this parameter is null
//     *            then the cursor for this window will be set to the type
//     *            Cursor.DEFAULT_CURSOR.
//     * @see       Component#getCursor
//     * @see       Cursor
//     * @since     JDK1.1
//     */
//    public void setCursor(Cursor cursor) {
//        if (cursor == null) {
//            cursor = Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR);
//        }
//        super.setCursor(cursor);
//    }
//
//    /**
//     * Returns the owner of this window.
//     * @since 1.2
//     */
//    public Window getOwner() {
//        return getOwner_NoClientCode();
//    }
//    final Window getOwner_NoClientCode() {
//        return (Window)parent;
//    }
//
//    /**
//     * Return an array containing all the windows this
//     * window currently owns.
//     * @since 1.2
//     */
//    public Window[] getOwnedWindows() {
//        return getOwnedWindows_NoClientCode();
//    }
//    final Window[] getOwnedWindows_NoClientCode() {
//        Window realCopy[];
//
//        synchronized(ownedWindowList) {
//            // Recall that ownedWindowList is actually a Vector of
//            // WeakReferences and calling get() on one of these references
//            // may return null. Make two arrays-- one the size of the
//            // Vector (fullCopy with size fullSize), and one the size of
//            // all non-null get()s (realCopy with size realSize).
//            int fullSize = ownedWindowList.size();
//            int realSize = 0;
//            Window fullCopy[] = new Window[fullSize];
//
//            for (int i = 0; i < fullSize; i++) {
//                fullCopy[realSize] = ownedWindowList.elementAt(i).get();
//
//                if (fullCopy[realSize] != null) {
//                    realSize++;
//                }
//            }
//
//            if (fullSize != realSize) {
//                realCopy = Arrays.copyOf(fullCopy, realSize);
//            } else {
//                realCopy = fullCopy;
//            }
//        }
//
//        return realCopy;
//    }
//
//    boolean isModalBlocked() {
//        return modalBlocker != null;
//    }
//
//    void setModalBlocked(Dialog blocker, boolean blocked, boolean peerCall) {
//        this.modalBlocker = blocked ? blocker : null;
//        if (peerCall) {
//            WindowPeer peer = (WindowPeer)this.peer;
//            if (peer != null) {
//                peer.setModalBlocked(blocker, blocked);
//            }
//        }
//    }
//
//    Dialog getModalBlocker() {
//        return modalBlocker;
//    }
//
//    /*
//     * Returns a list of all displayable Windows, i. e. all the
//     * Windows which peer is not null.
//     *
//     * @see #addNotify
//     * @see #removeNotify
//     */
//    static IdentityArrayList<Window> getAllWindows() {
//        synchronized (allWindows) {
//            IdentityArrayList<Window> v = new IdentityArrayList<Window>();
//            v.addAll(allWindows);
//            return v;
//        }
//    }
//
//    static IdentityArrayList<Window> getAllUnblockedWindows() {
//        synchronized (allWindows) {
//            IdentityArrayList<Window> unblocked = new IdentityArrayList<Window>();
//            for (int i = 0; i < allWindows.size(); i++) {
//                Window w = allWindows.get(i);
//                if (!w.isModalBlocked()) {
//                    unblocked.add(w);
//                }
//            }
//            return unblocked;
//        }
//    }
//
//    private static Window[] getWindows(AppContext appContext) {
//        synchronized (Window.class) {
//            Window realCopy[];
//            @SuppressWarnings("unchecked")
//            Vector<WeakReference<Window>> windowList =
//                (Vector<WeakReference<Window>>)appContext.get(Window.class);
//            if (windowList != null) {
//                int fullSize = windowList.size();
//                int realSize = 0;
//                Window fullCopy[] = new Window[fullSize];
//                for (int i = 0; i < fullSize; i++) {
//                    Window w = windowList.get(i).get();
//                    if (w != null) {
//                        fullCopy[realSize++] = w;
//                    }
//                }
//                if (fullSize != realSize) {
//                    realCopy = Arrays.copyOf(fullCopy, realSize);
//                } else {
//                    realCopy = fullCopy;
//                }
//            } else {
//                realCopy = new Window[0];
//            }
//            return realCopy;
//        }
//    }
//
//    /**
//     * Returns an array of all {@code Window}s, both owned and ownerless,
//     * created by this application.
//     * If called from an applet, the array includes only the {@code Window}s
//     * accessible by that applet.
//     * <p>
//     * <b>Warning:</b> this method may return system created windows, such
//     * as a print dialog. Applications should not assume the existence of
//     * these dialogs, nor should an application assume anything about these
//     * dialogs such as component positions, {@code LayoutManager}s
//     * or serialization.
//     *
//     * @see Frame#getFrames
//     * @see Window#getOwnerlessWindows
//     *
//     * @since 1.6
//     */
//    public static Window[] getWindows() {
//        return getWindows(AppContext.getAppContext());
//    }
//
//    /**
//     * Returns an array of all {@code Window}s created by this application
//     * that have no owner. They include {@code Frame}s and ownerless
//     * {@code Dialog}s and {@code Window}s.
//     * If called from an applet, the array includes only the {@code Window}s
//     * accessible by that applet.
//     * <p>
//     * <b>Warning:</b> this method may return system created windows, such
//     * as a print dialog. Applications should not assume the existence of
//     * these dialogs, nor should an application assume anything about these
//     * dialogs such as component positions, {@code LayoutManager}s
//     * or serialization.
//     *
//     * @see Frame#getFrames
//     * @see Window#getWindows()
//     *
//     * @since 1.6
//     */
//    public static Window[] getOwnerlessWindows() {
//        Window[] allWindows = Window.getWindows();
//
//        int ownerlessCount = 0;
//        for (Window w : allWindows) {
//            if (w.getOwner() == null) {
//                ownerlessCount++;
//            }
//        }
//
//        Window[] ownerless = new Window[ownerlessCount];
//        int c = 0;
//        for (Window w : allWindows) {
//            if (w.getOwner() == null) {
//                ownerless[c++] = w;
//            }
//        }
//
//        return ownerless;
//    }
//
//    Window getDocumentRoot() {
//        synchronized (getTreeLock()) {
//            Window w = this;
//            while (w.getOwner() != null) {
//                w = w.getOwner();
//            }
//            return w;
//        }
//    }
//
//    /**
//     * Specifies the modal exclusion type for this window. If a window is modal
//     * excluded, it is not blocked by some modal dialogs. See {@link
//     * java.awt.Dialog.ModalExclusionType Dialog.ModalExclusionType} for
//     * possible modal exclusion types.
//     * <p>
//     * If the given type is not supported, {@code NO_EXCLUDE} is used.
//     * <p>
//     * Note: changing the modal exclusion type for a visible window may have no
//     * effect until it is hidden and then shown again.
//     *
//     * @param exclusionType the modal exclusion type for this window; a {@code null}
//     *     value is equivalent to {@link Dialog.ModalExclusionType#NO_EXCLUDE
//     *     NO_EXCLUDE}
//     * @throws SecurityException if the calling thread does not have permission
//     *     to set the modal exclusion property to the window with the given
//     *     {@code exclusionType}
//     * @see java.awt.Dialog.ModalExclusionType
//     * @see java.awt.Window#getModalExclusionType
//     * @see java.awt.Toolkit#isModalExclusionTypeSupported
//     *
//     * @since 1.6
//     */
//    public void setModalExclusionType(Dialog.ModalExclusionType exclusionType) {
//        if (exclusionType == null) {
//            exclusionType = Dialog.ModalExclusionType.NO_EXCLUDE;
//        }
//        if (!Toolkit.getDefaultToolkit().isModalExclusionTypeSupported(exclusionType)) {
//            exclusionType = Dialog.ModalExclusionType.NO_EXCLUDE;
//        }
//        if (modalExclusionType == exclusionType) {
//            return;
//        }
//        if (exclusionType == Dialog.ModalExclusionType.TOOLKIT_EXCLUDE) {
//            SecurityManager sm = System.getSecurityManager();
//            if (sm != null) {
//                sm.checkPermission(SecurityConstants.AWT.TOOLKIT_MODALITY_PERMISSION);
//            }
//        }
//        modalExclusionType = exclusionType;
//
//        // if we want on-fly changes, we need to uncomment the lines below
//        //   and override the method in Dialog to use modalShow() instead
//        //   of updateChildrenBlocking()
// /*
//        if (isModalBlocked()) {
//            modalBlocker.unblockWindow(this);
//        }
//        Dialog.checkShouldBeBlocked(this);
//        updateChildrenBlocking();
// */
//    }
//
//    /**
//     * Returns the modal exclusion type of this window.
//     *
//     * @return the modal exclusion type of this window
//     *
//     * @see java.awt.Dialog.ModalExclusionType
//     * @see java.awt.Window#setModalExclusionType
//     *
//     * @since 1.6
//     */
//    public Dialog.ModalExclusionType getModalExclusionType() {
//        return modalExclusionType;
//    }
//
//    boolean isModalExcluded(Dialog.ModalExclusionType exclusionType) {
//        if ((modalExclusionType != null) &&
//            modalExclusionType.compareTo(exclusionType) >= 0)
//        {
//            return true;
//        }
//        Window owner = getOwner_NoClientCode();
//        return (owner != null) && owner.isModalExcluded(exclusionType);
//    }
//
//    void updateChildrenBlocking() {
//        Vector<Window> childHierarchy = new Vector<Window>();
//        Window[] ownedWindows = getOwnedWindows();
//        for (int i = 0; i < ownedWindows.length; i++) {
//            childHierarchy.add(ownedWindows[i]);
//        }
//        int k = 0;
//        while (k < childHierarchy.size()) {
//            Window w = childHierarchy.get(k);
//            if (w.isVisible()) {
//                if (w.isModalBlocked()) {
//                    Dialog blocker = w.getModalBlocker();
//                    blocker.unblockWindow(w);
//                }
//                Dialog.checkShouldBeBlocked(w);
//                Window[] wOwned = w.getOwnedWindows();
//                for (int j = 0; j < wOwned.length; j++) {
//                    childHierarchy.add(wOwned[j]);
//                }
//            }
//            k++;
//        }
//    }
//
//    /**
//     * Adds the specified window listener to receive window events from
//     * this window.
//     * If l is null, no exception is thrown and no action is performed.
//     * <p>Refer to <a href="doc-files/AWTThreadIssues.html#ListenersThreads"
//     * >AWT Threading Issues</a> for details on AWT's threading model.
//     *
//     * @param   l the window listener
//     * @see #removeWindowListener
//     * @see #getWindowListeners
//     */
//    public synchronized void addWindowListener(WindowListener l) {
//        if (l == null) {
//            return;
//        }
//        newEventsOnly = true;
//        windowListener = AWTEventMulticaster.add(windowListener, l);
//    }
//
//    /**
//     * Adds the specified window state listener to receive window
//     * events from this window.  If {@code l} is {@code null},
//     * no exception is thrown and no action is performed.
//     * <p>Refer to <a href="doc-files/AWTThreadIssues.html#ListenersThreads"
//     * >AWT Threading Issues</a> for details on AWT's threading model.
//     *
//     * @param   l the window state listener
//     * @see #removeWindowStateListener
//     * @see #getWindowStateListeners
//     * @since 1.4
//     */
//    public synchronized void addWindowStateListener(WindowStateListener l) {
//        if (l == null) {
//            return;
//        }
//        windowStateListener = AWTEventMulticaster.add(windowStateListener, l);
//        newEventsOnly = true;
//    }
//
//    /**
//     * Adds the specified window focus listener to receive window events
//     * from this window.
//     * If l is null, no exception is thrown and no action is performed.
//     * <p>Refer to <a href="doc-files/AWTThreadIssues.html#ListenersThreads"
//     * >AWT Threading Issues</a> for details on AWT's threading model.
//     *
//     * @param   l the window focus listener
//     * @see #removeWindowFocusListener
//     * @see #getWindowFocusListeners
//     * @since 1.4
//     */
//    public synchronized void addWindowFocusListener(WindowFocusListener l) {
//        if (l == null) {
//            return;
//        }
//        windowFocusListener = AWTEventMulticaster.add(windowFocusListener, l);
//        newEventsOnly = true;
//    }
//
//    /**
//     * Removes the specified window listener so that it no longer
//     * receives window events from this window.
//     * If l is null, no exception is thrown and no action is performed.
//     * <p>Refer to <a href="doc-files/AWTThreadIssues.html#ListenersThreads"
//     * >AWT Threading Issues</a> for details on AWT's threading model.
//     *
//     * @param   l the window listener
//     * @see #addWindowListener
//     * @see #getWindowListeners
//     */
//    public synchronized void removeWindowListener(WindowListener l) {
//        if (l == null) {
//            return;
//        }
//        windowListener = AWTEventMulticaster.remove(windowListener, l);
//    }
//
//    /**
//     * Removes the specified window state listener so that it no
//     * longer receives window events from this window.  If
//     * {@code l} is {@code null}, no exception is thrown and
//     * no action is performed.
//     * <p>Refer to <a href="doc-files/AWTThreadIssues.html#ListenersThreads"
//     * >AWT Threading Issues</a> for details on AWT's threading model.
//     *
//     * @param   l the window state listener
//     * @see #addWindowStateListener
//     * @see #getWindowStateListeners
//     * @since 1.4
//     */
//    public synchronized void removeWindowStateListener(WindowStateListener l) {
//        if (l == null) {
//            return;
//        }
//        windowStateListener = AWTEventMulticaster.remove(windowStateListener, l);
//    }
//
//    /**
//     * Removes the specified window focus listener so that it no longer
//     * receives window events from this window.
//     * If l is null, no exception is thrown and no action is performed.
//     * <p>Refer to <a href="doc-files/AWTThreadIssues.html#ListenersThreads"
//     * >AWT Threading Issues</a> for details on AWT's threading model.
//     *
//     * @param   l the window focus listener
//     * @see #addWindowFocusListener
//     * @see #getWindowFocusListeners
//     * @since 1.4
//     */
//    public synchronized void removeWindowFocusListener(WindowFocusListener l) {
//        if (l == null) {
//            return;
//        }
//        windowFocusListener = AWTEventMulticaster.remove(windowFocusListener, l);
//    }
//
//    /**
//     * Returns an array of all the window listeners
//     * registered on this window.
//     *
//     * @return all of this window's {@code WindowListener}s
//     *         or an empty array if no window
//     *         listeners are currently registered
//     *
//     * @see #addWindowListener
//     * @see #removeWindowListener
//     * @since 1.4
//     */
//    public synchronized WindowListener[] getWindowListeners() {
//        return getListeners(WindowListener.class);
//    }
//
//    /**
//     * Returns an array of all the window focus listeners
//     * registered on this window.
//     *
//     * @return all of this window's {@code WindowFocusListener}s
//     *         or an empty array if no window focus
//     *         listeners are currently registered
//     *
//     * @see #addWindowFocusListener
//     * @see #removeWindowFocusListener
//     * @since 1.4
//     */
//    public synchronized WindowFocusListener[] getWindowFocusListeners() {
//        return getListeners(WindowFocusListener.class);
//    }
//
//    /**
//     * Returns an array of all the window state listeners
//     * registered on this window.
//     *
//     * @return all of this window's {@code WindowStateListener}s
//     *         or an empty array if no window state
//     *         listeners are currently registered
//     *
//     * @see #addWindowStateListener
//     * @see #removeWindowStateListener
//     * @since 1.4
//     */
//    public synchronized WindowStateListener[] getWindowStateListeners() {
//        return getListeners(WindowStateListener.class);
//    }
//
//
//    /**
//     * Returns an array of all the objects currently registered
//     * as <code><em>Foo</em>Listener</code>s
//     * upon this {@code Window}.
//     * <code><em>Foo</em>Listener</code>s are registered using the
//     * <code>add<em>Foo</em>Listener</code> method.
//     *
//     * <p>
//     *
//     * You can specify the {@code listenerType} argument
//     * with a class literal, such as
//     * <code><em>Foo</em>Listener.class</code>.
//     * For example, you can query a
//     * {@code Window} {@code w}
//     * for its window listeners with the following code:
//     *
//     * <pre>WindowListener[] wls = (WindowListener[])(w.getListeners(WindowListener.class));</pre>
//     *
//     * If no such listeners exist, this method returns an empty array.
//     *
//     * @param listenerType the type of listeners requested; this parameter
//     *          should specify an interface that descends from
//     *          {@code java.util.EventListener}
//     * @return an array of all objects registered as
//     *          <code><em>Foo</em>Listener</code>s on this window,
//     *          or an empty array if no such
//     *          listeners have been added
//     * @exception ClassCastException if {@code listenerType}
//     *          doesn't specify a class or interface that implements
//     *          {@code java.util.EventListener}
//     * @exception NullPointerException if {@code listenerType} is {@code null}
//     *
//     * @see #getWindowListeners
//     * @since 1.3
//     */
//    public <T extends EventListener> T[] getListeners(Class<T> listenerType) {
//        EventListener l = null;
//        if (listenerType == WindowFocusListener.class) {
//            l = windowFocusListener;
//        } else if (listenerType == WindowStateListener.class) {
//            l = windowStateListener;
//        } else if (listenerType == WindowListener.class) {
//            l = windowListener;
//        } else {
//            return super.getListeners(listenerType);
//        }
//        return AWTEventMulticaster.getListeners(l, listenerType);
//    }
//
//    // REMIND: remove when filtering is handled at lower level
//    boolean eventEnabled(AWTEvent e) {
//        switch(e.id) {
//          case WindowEvent.WINDOW_OPENED:
//          case WindowEvent.WINDOW_CLOSING:
//          case WindowEvent.WINDOW_CLOSED:
//          case WindowEvent.WINDOW_ICONIFIED:
//          case WindowEvent.WINDOW_DEICONIFIED:
//          case WindowEvent.WINDOW_ACTIVATED:
//          case WindowEvent.WINDOW_DEACTIVATED:
//            if ((eventMask & AWTEvent.WINDOW_EVENT_MASK) != 0 ||
//                windowListener != null) {
//                return true;
//            }
//            return false;
//          case WindowEvent.WINDOW_GAINED_FOCUS:
//          case WindowEvent.WINDOW_LOST_FOCUS:
//            if ((eventMask & AWTEvent.WINDOW_FOCUS_EVENT_MASK) != 0 ||
//                windowFocusListener != null) {
//                return true;
//            }
//            return false;
//          case WindowEvent.WINDOW_STATE_CHANGED:
//            if ((eventMask & AWTEvent.WINDOW_STATE_EVENT_MASK) != 0 ||
//                windowStateListener != null) {
//                return true;
//            }
//            return false;
//          default:
//            break;
//        }
//        return super.eventEnabled(e);
//    }
//
//    /**
//     * Processes events on this window. If the event is an
//     * {@code WindowEvent}, it invokes the
//     * {@code processWindowEvent} method, else it invokes its
//     * superclass's {@code processEvent}.
//     * <p>Note that if the event parameter is {@code null}
//     * the behavior is unspecified and may result in an
//     * exception.
//     *
//     * @param e the event
//     */
//    protected void processEvent(AWTEvent e) {
//        if (e instanceof WindowEvent) {
//            switch (e.getID()) {
//                case WindowEvent.WINDOW_OPENED:
//                case WindowEvent.WINDOW_CLOSING:
//                case WindowEvent.WINDOW_CLOSED:
//                case WindowEvent.WINDOW_ICONIFIED:
//                case WindowEvent.WINDOW_DEICONIFIED:
//                case WindowEvent.WINDOW_ACTIVATED:
//                case WindowEvent.WINDOW_DEACTIVATED:
//                    processWindowEvent((WindowEvent)e);
//                    break;
//                case WindowEvent.WINDOW_GAINED_FOCUS:
//                case WindowEvent.WINDOW_LOST_FOCUS:
//                    processWindowFocusEvent((WindowEvent)e);
//                    break;
//                case WindowEvent.WINDOW_STATE_CHANGED:
//                    processWindowStateEvent((WindowEvent)e);
//                    break;
//            }
//            return;
//        }
//        super.processEvent(e);
//    }
//
//    /**
//     * Processes window events occurring on this window by
//     * dispatching them to any registered WindowListener objects.
//     * NOTE: This method will not be called unless window events
//     * are enabled for this component; this happens when one of the
//     * following occurs:
//     * <ul>
//     * <li>A WindowListener object is registered via
//     *     {@code addWindowListener}
//     * <li>Window events are enabled via {@code enableEvents}
//     * </ul>
//     * <p>Note that if the event parameter is {@code null}
//     * the behavior is unspecified and may result in an
//     * exception.
//     *
//     * @param e the window event
//     * @see Component#enableEvents
//     */
//    protected void processWindowEvent(WindowEvent e) {
//        WindowListener listener = windowListener;
//        if (listener != null) {
//            switch(e.getID()) {
//                case WindowEvent.WINDOW_OPENED:
//                    listener.windowOpened(e);
//                    break;
//                case WindowEvent.WINDOW_CLOSING:
//                    listener.windowClosing(e);
//                    break;
//                case WindowEvent.WINDOW_CLOSED:
//                    listener.windowClosed(e);
//                    break;
//                case WindowEvent.WINDOW_ICONIFIED:
//                    listener.windowIconified(e);
//                    break;
//                case WindowEvent.WINDOW_DEICONIFIED:
//                    listener.windowDeiconified(e);
//                    break;
//                case WindowEvent.WINDOW_ACTIVATED:
//                    listener.windowActivated(e);
//                    break;
//                case WindowEvent.WINDOW_DEACTIVATED:
//                    listener.windowDeactivated(e);
//                    break;
//                default:
//                    break;
//            }
//        }
//    }
//
//    /**
//     * Processes window focus event occurring on this window by
//     * dispatching them to any registered WindowFocusListener objects.
//     * NOTE: this method will not be called unless window focus events
//     * are enabled for this window. This happens when one of the
//     * following occurs:
//     * <ul>
//     * <li>a WindowFocusListener is registered via
//     *     {@code addWindowFocusListener}
//     * <li>Window focus events are enabled via {@code enableEvents}
//     * </ul>
//     * <p>Note that if the event parameter is {@code null}
//     * the behavior is unspecified and may result in an
//     * exception.
//     *
//     * @param e the window focus event
//     * @see Component#enableEvents
//     * @since 1.4
//     */
//    protected void processWindowFocusEvent(WindowEvent e) {
//        WindowFocusListener listener = windowFocusListener;
//        if (listener != null) {
//            switch (e.getID()) {
//                case WindowEvent.WINDOW_GAINED_FOCUS:
//                    listener.windowGainedFocus(e);
//                    break;
//                case WindowEvent.WINDOW_LOST_FOCUS:
//                    listener.windowLostFocus(e);
//                    break;
//                default:
//                    break;
//            }
//        }
//    }
//
//    /**
//     * Processes window state event occurring on this window by
//     * dispatching them to any registered {@code WindowStateListener}
//     * objects.
//     * NOTE: this method will not be called unless window state events
//     * are enabled for this window.  This happens when one of the
//     * following occurs:
//     * <ul>
//     * <li>a {@code WindowStateListener} is registered via
//     *    {@code addWindowStateListener}
//     * <li>window state events are enabled via {@code enableEvents}
//     * </ul>
//     * <p>Note that if the event parameter is {@code null}
//     * the behavior is unspecified and may result in an
//     * exception.
//     *
//     * @param e the window state event
//     * @see java.awt.Component#enableEvents
//     * @since 1.4
//     */
//    protected void processWindowStateEvent(WindowEvent e) {
//        WindowStateListener listener = windowStateListener;
//        if (listener != null) {
//            switch (e.getID()) {
//                case WindowEvent.WINDOW_STATE_CHANGED:
//                    listener.windowStateChanged(e);
//                    break;
//                default:
//                    break;
//            }
//        }
//    }
//
//    /**
//     * Implements a debugging hook -- checks to see if
//     * the user has typed <i>control-shift-F1</i>.  If so,
//     * the list of child windows is dumped to {@code System.out}.
//     * @param e  the keyboard event
//     */
//    void preProcessKeyEvent(KeyEvent e) {
//        // Dump the list of child windows to System.out.
//        if (e.isActionKey() && e.getKeyCode() == KeyEvent.VK_F1 &&
//            e.isControlDown() && e.isShiftDown() &&
//            e.getID() == KeyEvent.KEY_PRESSED) {
//            list(System.out, 0);
//        }
//    }
//
//    void postProcessKeyEvent(KeyEvent e) {
//        // Do nothing
//    }
//
//
//    /**
//     * Sets whether this window should always be above other windows.  If
//     * there are multiple always-on-top windows, their relative order is
//     * unspecified and platform dependent.
//     * <p>
//     * If some other window is already always-on-top then the
//     * relative order between these windows is unspecified (depends on
//     * platform).  No window can be brought to be over the always-on-top
//     * window except maybe another always-on-top window.
//     * <p>
//     * All windows owned by an always-on-top window inherit this state and
//     * automatically become always-on-top.  If a window ceases to be
//     * always-on-top, the windows that it owns will no longer be
//     * always-on-top.  When an always-on-top window is sent {@link #toBack
//     * toBack}, its always-on-top state is set to {@code false}.
//     *
//     * <p> When this method is called on a window with a value of
//     * {@code true}, and the window is visible and the platform
//     * supports always-on-top for this window, the window is immediately
//     * brought forward, "sticking" it in the top-most position. If the
//     * window isn`t currently visible, this method sets the always-on-top
//     * state to {@code true} but does not bring the window forward.
//     * When the window is later shown, it will be always-on-top.
//     *
//     * <p> When this method is called on a window with a value of
//     * {@code false} the always-on-top state is set to normal. It may also
//     * cause an unspecified, platform-dependent change in the z-order of
//     * top-level windows, but other always-on-top windows will remain in
//     * top-most position. Calling this method with a value of {@code false}
//     * on a window that has a normal state has no effect.
//     *
//     * <p><b>Note</b>: some platforms might not support always-on-top
//     * windows.  To detect if always-on-top windows are supported by the
//     * current platform, use {@link Toolkit#isAlwaysOnTopSupported()} and
//     * {@link Window#isAlwaysOnTopSupported()}.  If always-on-top mode
//     * isn't supported for this window or this window's toolkit does not
//     * support always-on-top windows, calling this method has no effect.
//     * <p>
//     * If a SecurityManager is installed, the calling thread must be
//     * granted the AWTPermission "setWindowAlwaysOnTop" in
//     * order to set the value of this property. If this
//     * permission is not granted, this method will throw a
//     * SecurityException, and the current value of the property will
//     * be left unchanged.
//     *
//     * @param alwaysOnTop true if the window should always be above other
//     *        windows
//     * @throws SecurityException if the calling thread does not have
//     *         permission to set the value of always-on-top property
//     *
//     * @see #isAlwaysOnTop
//     * @see #toFront
//     * @see #toBack
//     * @see AWTPermission
//     * @see #isAlwaysOnTopSupported
//     * @see #getToolkit
//     * @see Toolkit#isAlwaysOnTopSupported
//     * @since 1.5
//     */
//    public final void setAlwaysOnTop(boolean alwaysOnTop) throws SecurityException {
//        SecurityManager security = System.getSecurityManager();
//        if (security != null) {
//            security.checkPermission(SecurityConstants.AWT.SET_WINDOW_ALWAYS_ON_TOP_PERMISSION);
//        }
//
//        boolean oldAlwaysOnTop;
//        synchronized(this) {
//            oldAlwaysOnTop = this.alwaysOnTop;
//            this.alwaysOnTop = alwaysOnTop;
//        }
//        if (oldAlwaysOnTop != alwaysOnTop ) {
//            if (isAlwaysOnTopSupported()) {
//                WindowPeer peer = (WindowPeer)this.peer;
//                synchronized(getTreeLock()) {
//                    if (peer != null) {
//                        peer.updateAlwaysOnTopState();
//                    }
//                }
//            }
//            firePropertyChange("alwaysOnTop", oldAlwaysOnTop, alwaysOnTop);
//        }
//        setOwnedWindowsAlwaysOnTop(alwaysOnTop);
//    }
//
//    @SuppressWarnings({"rawtypes", "unchecked"})
//    private void setOwnedWindowsAlwaysOnTop(boolean alwaysOnTop) {
//        WeakReference<Window>[] ownedWindowArray;
//        synchronized (ownedWindowList) {
//            ownedWindowArray = new WeakReference[ownedWindowList.size()];
//            ownedWindowList.copyInto(ownedWindowArray);
//        }
//
//        for (WeakReference<Window> ref : ownedWindowArray) {
//            Window window = ref.get();
//            if (window != null) {
//                try {
//                    window.setAlwaysOnTop(alwaysOnTop);
//                } catch (SecurityException ignore) {
//                }
//            }
//        }
//    }
//
//    /**
//     * Returns whether the always-on-top mode is supported for this
//     * window. Some platforms may not support always-on-top windows, some
//     * may support only some kinds of top-level windows; for example,
//     * a platform may not support always-on-top modal dialogs.
//     *
//     * @return {@code true}, if the always-on-top mode is supported for
//     *         this window and this window's toolkit supports always-on-top windows,
//     *         {@code false} otherwise
//     *
//     * @see #setAlwaysOnTop(boolean)
//     * @see #getToolkit
//     * @see Toolkit#isAlwaysOnTopSupported
//     * @since 1.6
//     */
//    public boolean isAlwaysOnTopSupported() {
//        return Toolkit.getDefaultToolkit().isAlwaysOnTopSupported();
//    }
//
//
//    /**
//     * Returns whether this window is an always-on-top window.
//     * @return {@code true}, if the window is in always-on-top state,
//     *         {@code false} otherwise
//     * @see #setAlwaysOnTop
//     * @since 1.5
//     */
//    public final boolean isAlwaysOnTop() {
//        return alwaysOnTop;
//    }
//
//
//    /**
//     * Returns the child Component of this Window that has focus if this Window
//     * is focused; returns null otherwise.
//     *
//     * @return the child Component with focus, or null if this Window is not
//     *         focused
//     * @see #getMostRecentFocusOwner
//     * @see #isFocused
//     */
//    public Component getFocusOwner() {
//        return (isFocused())
//            ? KeyboardFocusManager.getCurrentKeyboardFocusManager().
//                  getFocusOwner()
//            : null;
//    }
//
//    /**
//     * Returns the child Component of this Window that will receive the focus
//     * when this Window is focused. If this Window is currently focused, this
//     * method returns the same Component as {@code getFocusOwner()}. If
//     * this Window is not focused, then the child Component that most recently
//     * requested focus will be returned. If no child Component has ever
//     * requested focus, and this is a focusable Window, then this Window's
//     * initial focusable Component is returned. If no child Component has ever
//     * requested focus, and this is a non-focusable Window, null is returned.
//     *
//     * @return the child Component that will receive focus when this Window is
//     *         focused
//     * @see #getFocusOwner
//     * @see #isFocused
//     * @see #isFocusableWindow
//     * @since 1.4
//     */
//    public Component getMostRecentFocusOwner() {
//        if (isFocused()) {
//            return getFocusOwner();
//        } else {
//            Component mostRecent =
//                KeyboardFocusManager.getMostRecentFocusOwner(this);
//            if (mostRecent != null) {
//                return mostRecent;
//            } else {
//                return (isFocusableWindow())
//                    ? getFocusTraversalPolicy().getInitialComponent(this)
//                    : null;
//            }
//        }
//    }
//
//    /**
//     * Returns whether this Window is active. Only a Frame or a Dialog may be
//     * active. The native windowing system may denote the active Window or its
//     * children with special decorations, such as a highlighted title bar. The
//     * active Window is always either the focused Window, or the first Frame or
//     * Dialog that is an owner of the focused Window.
//     *
//     * @return whether this is the active Window.
//     * @see #isFocused
//     * @since 1.4
//     */
//    public boolean isActive() {
//        return (KeyboardFocusManager.getCurrentKeyboardFocusManager().
//                getActiveWindow() == this);
//    }
//
//    /**
//     * Returns whether this Window is focused. If there exists a focus owner,
//     * the focused Window is the Window that is, or contains, that focus owner.
//     * If there is no focus owner, then no Window is focused.
//     * <p>
//     * If the focused Window is a Frame or a Dialog it is also the active
//     * Window. Otherwise, the active Window is the first Frame or Dialog that
//     * is an owner of the focused Window.
//     *
//     * @return whether this is the focused Window.
//     * @see #isActive
//     * @since 1.4
//     */
//    public boolean isFocused() {
//        return (KeyboardFocusManager.getCurrentKeyboardFocusManager().
//                getGlobalFocusedWindow() == this);
//    }
//
//    /**
//     * Gets a focus traversal key for this Window. (See {@code
//     * setFocusTraversalKeys} for a full description of each key.)
//     * <p>
//     * If the traversal key has not been explicitly set for this Window,
//     * then this Window's parent's traversal key is returned. If the
//     * traversal key has not been explicitly set for any of this Window's
//     * ancestors, then the current KeyboardFocusManager's default traversal key
//     * is returned.
//     *
//     * @param id one of KeyboardFocusManager.FORWARD_TRAVERSAL_KEYS,
//     *         KeyboardFocusManager.BACKWARD_TRAVERSAL_KEYS,
//     *         KeyboardFocusManager.UP_CYCLE_TRAVERSAL_KEYS, or
//     *         KeyboardFocusManager.DOWN_CYCLE_TRAVERSAL_KEYS
//     * @return the AWTKeyStroke for the specified key
//     * @see Container#setFocusTraversalKeys
//     * @see KeyboardFocusManager#FORWARD_TRAVERSAL_KEYS
//     * @see KeyboardFocusManager#BACKWARD_TRAVERSAL_KEYS
//     * @see KeyboardFocusManager#UP_CYCLE_TRAVERSAL_KEYS
//     * @see KeyboardFocusManager#DOWN_CYCLE_TRAVERSAL_KEYS
//     * @throws IllegalArgumentException if id is not one of
//     *         KeyboardFocusManager.FORWARD_TRAVERSAL_KEYS,
//     *         KeyboardFocusManager.BACKWARD_TRAVERSAL_KEYS,
//     *         KeyboardFocusManager.UP_CYCLE_TRAVERSAL_KEYS, or
//     *         KeyboardFocusManager.DOWN_CYCLE_TRAVERSAL_KEYS
//     * @since 1.4
//     */
//    @SuppressWarnings("unchecked")
//    public Set<AWTKeyStroke> getFocusTraversalKeys(int id) {
//        if (id < 0 || id >= KeyboardFocusManager.TRAVERSAL_KEY_LENGTH) {
//            throw new IllegalArgumentException("invalid focus traversal key identifier");
//        }
//
//        // Okay to return Set directly because it is an unmodifiable view
//        @SuppressWarnings("rawtypes")
//        Set keystrokes = (focusTraversalKeys != null)
//            ? focusTraversalKeys[id]
//            : null;
//
//        if (keystrokes != null) {
//            return keystrokes;
//        } else {
//            return KeyboardFocusManager.getCurrentKeyboardFocusManager().
//                getDefaultFocusTraversalKeys(id);
//        }
//    }
//
//    /**
//     * Does nothing because Windows must always be roots of a focus traversal
//     * cycle. The passed-in value is ignored.
//     *
//     * @param focusCycleRoot this value is ignored
//     * @see #isFocusCycleRoot
//     * @see Container#setFocusTraversalPolicy
//     * @see Container#getFocusTraversalPolicy
//     * @since 1.4
//     */
//    public final void setFocusCycleRoot(boolean focusCycleRoot) {
//    }
//
//    /**
//     * Always returns {@code true} because all Windows must be roots of a
//     * focus traversal cycle.
//     *
//     * @return {@code true}
//     * @see #setFocusCycleRoot
//     * @see Container#setFocusTraversalPolicy
//     * @see Container#getFocusTraversalPolicy
//     * @since 1.4
//     */
//    public final boolean isFocusCycleRoot() {
//        return true;
//    }
//
//    /**
//     * Always returns {@code null} because Windows have no ancestors; they
//     * represent the top of the Component hierarchy.
//     *
//     * @return {@code null}
//     * @see Container#isFocusCycleRoot()
//     * @since 1.4
//     */
//    public final Container getFocusCycleRootAncestor() {
//        return null;
//    }
//
//    /**
//     * Returns whether this Window can become the focused Window, that is,
//     * whether this Window or any of its subcomponents can become the focus
//     * owner. For a Frame or Dialog to be focusable, its focusable Window state
//     * must be set to {@code true}. For a Window which is not a Frame or
//     * Dialog to be focusable, its focusable Window state must be set to
//     * {@code true}, its nearest owning Frame or Dialog must be
//     * showing on the screen, and it must contain at least one Component in
//     * its focus traversal cycle. If any of these conditions is not met, then
//     * neither this Window nor any of its subcomponents can become the focus
//     * owner.
//     *
//     * @return {@code true} if this Window can be the focused Window;
//     *         {@code false} otherwise
//     * @see #getFocusableWindowState
//     * @see #setFocusableWindowState
//     * @see #isShowing
//     * @see Component#isFocusable
//     * @since 1.4
//     */
//    public final boolean isFocusableWindow() {
//        // If a Window/Frame/Dialog was made non-focusable, then it is always
//        // non-focusable.
//        if (!getFocusableWindowState()) {
//            return false;
//        }
//
//        // All other tests apply only to Windows.
//        if (this instanceof Frame || this instanceof Dialog) {
//            return true;
//        }
//
//        // A Window must have at least one Component in its root focus
//        // traversal cycle to be focusable.
//        if (getFocusTraversalPolicy().getDefaultComponent(this) == null) {
//            return false;
//        }
//
//        // A Window's nearest owning Frame or Dialog must be showing on the
//        // screen.
//        for (Window owner = getOwner(); owner != null;
//             owner = owner.getOwner())
//        {
//            if (owner instanceof Frame || owner instanceof Dialog) {
//                return owner.isShowing();
//            }
//        }
//
//        return false;
//    }
//
//    /**
//     * Returns whether this Window can become the focused Window if it meets
//     * the other requirements outlined in {@code isFocusableWindow}. If
//     * this method returns {@code false}, then
//     * {@code isFocusableWindow} will return {@code false} as well.
//     * If this method returns {@code true}, then
//     * {@code isFocusableWindow} may return {@code true} or
//     * {@code false} depending upon the other requirements which must be
//     * met in order for a Window to be focusable.
//     * <p>
//     * By default, all Windows have a focusable Window state of
//     * {@code true}.
//     *
//     * @return whether this Window can be the focused Window
//     * @see #isFocusableWindow
//     * @see #setFocusableWindowState
//     * @see #isShowing
//     * @see Component#setFocusable
//     * @since 1.4
//     */
//    public boolean getFocusableWindowState() {
//        return focusableWindowState;
//    }
//
//    /**
//     * Sets whether this Window can become the focused Window if it meets
//     * the other requirements outlined in {@code isFocusableWindow}. If
//     * this Window's focusable Window state is set to {@code false}, then
//     * {@code isFocusableWindow} will return {@code false}. If this
//     * Window's focusable Window state is set to {@code true}, then
//     * {@code isFocusableWindow} may return {@code true} or
//     * {@code false} depending upon the other requirements which must be
//     * met in order for a Window to be focusable.
//     * <p>
//     * Setting a Window's focusability state to {@code false} is the
//     * standard mechanism for an application to identify to the AWT a Window
//     * which will be used as a floating palette or toolbar, and thus should be
//     * a non-focusable Window.
//     *
//     * Setting the focusability state on a visible {@code Window}
//     * can have a delayed effect on some platforms &#151; the actual
//     * change may happen only when the {@code Window} becomes
//     * hidden and then visible again.  To ensure consistent behavior
//     * across platforms, set the {@code Window}'s focusable state
//     * when the {@code Window} is invisible and then show it.
//     *
//     * @param focusableWindowState whether this Window can be the focused
//     *        Window
//     * @see #isFocusableWindow
//     * @see #getFocusableWindowState
//     * @see #isShowing
//     * @see Component#setFocusable
//     * @since 1.4
//     */
//    public void setFocusableWindowState(boolean focusableWindowState) {
//        boolean oldFocusableWindowState;
//        synchronized (this) {
//            oldFocusableWindowState = this.focusableWindowState;
//            this.focusableWindowState = focusableWindowState;
//        }
//        WindowPeer peer = (WindowPeer)this.peer;
//        if (peer != null) {
//            peer.updateFocusableWindowState();
//        }
//        firePropertyChange("focusableWindowState", oldFocusableWindowState,
//                           focusableWindowState);
//        if (oldFocusableWindowState && !focusableWindowState && isFocused()) {
//            for (Window owner = getOwner();
//                 owner != null;
//                 owner = owner.getOwner())
//                {
//                    Component toFocus =
//                        KeyboardFocusManager.getMostRecentFocusOwner(owner);
//                    if (toFocus != null && toFocus.requestFocus(false, CausedFocusEvent.Cause.ACTIVATION)) {
//                        return;
//                    }
//                }
//            KeyboardFocusManager.getCurrentKeyboardFocusManager().
//                clearGlobalFocusOwnerPriv();
//        }
//    }
//
//    /**
//     * Sets whether this window should receive focus on
//     * subsequently being shown (with a call to {@link #setVisible setVisible(true)}),
//     * or being moved to the front (with a call to {@link #toFront}).
//     * <p>
//     * Note that {@link #setVisible setVisible(true)} may be called indirectly
//     * (e.g. when showing an owner of the window makes the window to be shown).
//     * {@link #toFront} may also be called indirectly (e.g. when
//     * {@link #setVisible setVisible(true)} is called on already visible window).
//     * In all such cases this property takes effect as well.
//     * <p>
//     * The value of the property is not inherited by owned windows.
//     *
//     * @param autoRequestFocus whether this window should be focused on
//     *        subsequently being shown or being moved to the front
//     * @see #isAutoRequestFocus
//     * @see #isFocusableWindow
//     * @see #setVisible
//     * @see #toFront
//     * @since 1.7
//     */
//    public void setAutoRequestFocus(boolean autoRequestFocus) {
//        this.autoRequestFocus = autoRequestFocus;
//    }
//
//    /**
//     * Returns whether this window should receive focus on subsequently being shown
//     * (with a call to {@link #setVisible setVisible(true)}), or being moved to the front
//     * (with a call to {@link #toFront}).
//     * <p>
//     * By default, the window has {@code autoRequestFocus} value of {@code true}.
//     *
//     * @return {@code autoRequestFocus} value
//     * @see #setAutoRequestFocus
//     * @since 1.7
//     */
//    public boolean isAutoRequestFocus() {
//        return autoRequestFocus;
//    }
//
//    /**
//     * Adds a PropertyChangeListener to the listener list. The listener is
//     * registered for all bound properties of this class, including the
//     * following:
//     * <ul>
//     *    <li>this Window's font ("font")</li>
//     *    <li>this Window's background color ("background")</li>
//     *    <li>this Window's foreground color ("foreground")</li>
//     *    <li>this Window's focusability ("focusable")</li>
//     *    <li>this Window's focus traversal keys enabled state
//     *        ("focusTraversalKeysEnabled")</li>
//     *    <li>this Window's Set of FORWARD_TRAVERSAL_KEYS
//     *        ("forwardFocusTraversalKeys")</li>
//     *    <li>this Window's Set of BACKWARD_TRAVERSAL_KEYS
//     *        ("backwardFocusTraversalKeys")</li>
//     *    <li>this Window's Set of UP_CYCLE_TRAVERSAL_KEYS
//     *        ("upCycleFocusTraversalKeys")</li>
//     *    <li>this Window's Set of DOWN_CYCLE_TRAVERSAL_KEYS
//     *        ("downCycleFocusTraversalKeys")</li>
//     *    <li>this Window's focus traversal policy ("focusTraversalPolicy")
//     *        </li>
//     *    <li>this Window's focusable Window state ("focusableWindowState")
//     *        </li>
//     *    <li>this Window's always-on-top state("alwaysOnTop")</li>
//     * </ul>
//     * Note that if this Window is inheriting a bound property, then no
//     * event will be fired in response to a change in the inherited property.
//     * <p>
//     * If listener is null, no exception is thrown and no action is performed.
//     *
//     * @param    listener  the PropertyChangeListener to be added
//     *
//     * @see Component#removePropertyChangeListener
//     * @see #addPropertyChangeListener(java.lang.String,java.beans.PropertyChangeListener)
//     */
//    public void addPropertyChangeListener(PropertyChangeListener listener) {
//        super.addPropertyChangeListener(listener);
//    }
//
//    /**
//     * Adds a PropertyChangeListener to the listener list for a specific
//     * property. The specified property may be user-defined, or one of the
//     * following:
//     * <ul>
//     *    <li>this Window's font ("font")</li>
//     *    <li>this Window's background color ("background")</li>
//     *    <li>this Window's foreground color ("foreground")</li>
//     *    <li>this Window's focusability ("focusable")</li>
//     *    <li>this Window's focus traversal keys enabled state
//     *        ("focusTraversalKeysEnabled")</li>
//     *    <li>this Window's Set of FORWARD_TRAVERSAL_KEYS
//     *        ("forwardFocusTraversalKeys")</li>
//     *    <li>this Window's Set of BACKWARD_TRAVERSAL_KEYS
//     *        ("backwardFocusTraversalKeys")</li>
//     *    <li>this Window's Set of UP_CYCLE_TRAVERSAL_KEYS
//     *        ("upCycleFocusTraversalKeys")</li>
//     *    <li>this Window's Set of DOWN_CYCLE_TRAVERSAL_KEYS
//     *        ("downCycleFocusTraversalKeys")</li>
//     *    <li>this Window's focus traversal policy ("focusTraversalPolicy")
//     *        </li>
//     *    <li>this Window's focusable Window state ("focusableWindowState")
//     *        </li>
//     *    <li>this Window's always-on-top state("alwaysOnTop")</li>
//     * </ul>
//     * Note that if this Window is inheriting a bound property, then no
//     * event will be fired in response to a change in the inherited property.
//     * <p>
//     * If listener is null, no exception is thrown and no action is performed.
//     *
//     * @param propertyName one of the property names listed above
//     * @param listener the PropertyChangeListener to be added
//     *
//     * @see #addPropertyChangeListener(java.beans.PropertyChangeListener)
//     * @see Component#removePropertyChangeListener
//     */
//    public void addPropertyChangeListener(String propertyName,
//                                          PropertyChangeListener listener) {
//        super.addPropertyChangeListener(propertyName, listener);
//    }
//
//    /**
//     * Indicates if this container is a validate root.
//     * <p>
//     * {@code Window} objects are the validate roots, and, therefore, they
//     * override this method to return {@code true}.
//     *
//     * @return {@code true}
//     * @since 1.7
//     * @see java.awt.Container#isValidateRoot
//     */
//    @Override
//    public boolean isValidateRoot() {
//        return true;
//    }
//
//    /**
//     * Dispatches an event to this window or one of its sub components.
//     * @param e the event
//     */
//    void dispatchEventImpl(AWTEvent e) {
//        if (e.getID() == ComponentEvent.COMPONENT_RESIZED) {
//            invalidate();
//            validate();
//        }
//        super.dispatchEventImpl(e);
//    }
//
//    /**
//     * @deprecated As of JDK version 1.1
//     * replaced by {@code dispatchEvent(AWTEvent)}.
//     */
//    @Deprecated
//    public boolean postEvent(Event e) {
//        if (handleEvent(e)) {
//            e.consume();
//            return true;
//        }
//        return false;
//    }
//
//    /**
//     * Checks if this Window is showing on screen.
//     * @see Component#setVisible
//    */
//    public boolean isShowing() {
//        return visible;
//    }
//
//    boolean isDisposing() {
//        return disposing;
//    }
//
//    /**
//     * @deprecated As of J2SE 1.4, replaced by
//     * {@link Component#applyComponentOrientation Component.applyComponentOrientation}.
//     */
//    @Deprecated
//    public void applyResourceBundle(ResourceBundle rb) {
//        applyComponentOrientation(ComponentOrientation.getOrientation(rb));
//    }
//
//    /**
//     * @deprecated As of J2SE 1.4, replaced by
//     * {@link Component#applyComponentOrientation Component.applyComponentOrientation}.
//     */
//    @Deprecated
//    public void applyResourceBundle(String rbName) {
//        applyResourceBundle(ResourceBundle.getBundle(rbName));
//    }
//
//   /*
//    * Support for tracking all windows owned by this window
//    */
//    void addOwnedWindow(WeakReference<Window> weakWindow) {
//        if (weakWindow != null) {
//            synchronized(ownedWindowList) {
//                // this if statement should really be an assert, but we don't
//                // have asserts...
//                if (!ownedWindowList.contains(weakWindow)) {
//                    ownedWindowList.addElement(weakWindow);
//                }
//            }
//        }
//    }
//
//    void removeOwnedWindow(WeakReference<Window> weakWindow) {
//        if (weakWindow != null) {
//            // synchronized block not required since removeElement is
//            // already synchronized
//            ownedWindowList.removeElement(weakWindow);
//        }
//    }
//
//    void connectOwnedWindow(Window child) {
//        child.parent = this;
//        addOwnedWindow(child.weakThis);
//        child.disposerRecord.updateOwner();
//    }
//
//    private void addToWindowList() {
//        synchronized (Window.class) {
//            @SuppressWarnings("unchecked")
//            Vector<WeakReference<Window>> windowList = (Vector<WeakReference<Window>>)appContext.get(Window.class);
//            if (windowList == null) {
//                windowList = new Vector<WeakReference<Window>>();
//                appContext.put(Window.class, windowList);
//            }
//            windowList.add(weakThis);
//        }
//    }
//
//    private static void removeFromWindowList(AppContext context, WeakReference<Window> weakThis) {
//        synchronized (Window.class) {
//            @SuppressWarnings("unchecked")
//            Vector<WeakReference<Window>> windowList = (Vector<WeakReference<Window>>)context.get(Window.class);
//            if (windowList != null) {
//                windowList.remove(weakThis);
//            }
//        }
//    }
//
//    private void removeFromWindowList() {
//        removeFromWindowList(appContext, weakThis);
//    }
//
//    /**
//     * Window type.
//     *
//     * Synchronization: ObjectLock
//     */
//    private Type type = Type.NORMAL;
//
//    /**
//     * Sets the type of the window.
//     *
//     * This method can only be called while the window is not displayable.
//     *
//     * @throws IllegalComponentStateException if the window
//     *         is displayable.
//     * @throws IllegalArgumentException if the type is {@code null}
//     * @see    Component#isDisplayable
//     * @see    #getType
//     * @since 1.7
//     */
//    public void setType(Type type) {
//        if (type == null) {
//            throw new IllegalArgumentException("type should not be null.");
//        }
//        synchronized (getTreeLock()) {
//            if (isDisplayable()) {
//                throw new IllegalComponentStateException(
//                        "The window is displayable.");
//            }
//            synchronized (getObjectLock()) {
//                this.type = type;
//            }
//        }
//    }
//
//    /**
//     * Returns the type of the window.
//     *
//     * @see   #setType
//     * @since 1.7
//     */
//    public Type getType() {
//        synchronized (getObjectLock()) {
//            return type;
//        }
//    }
//
//    /**
//     * The window serialized data version.
//     *
//     * @serial
//     */
//    private int windowSerializedDataVersion = 2;
//
//    /**
//     * Writes default serializable fields to stream.  Writes
//     * a list of serializable {@code WindowListener}s and
//     * {@code WindowFocusListener}s as optional data.
//     * Writes a list of child windows as optional data.
//     * Writes a list of icon images as optional data
//     *
//     * @param s the {@code ObjectOutputStream} to write
//     * @serialData {@code null} terminated sequence of
//     *    0 or more pairs; the pair consists of a {@code String}
//     *    and {@code Object}; the {@code String}
//     *    indicates the type of object and is one of the following:
//     *    {@code windowListenerK} indicating a
//     *      {@code WindowListener} object;
//     *    {@code windowFocusWindowK} indicating a
//     *      {@code WindowFocusListener} object;
//     *    {@code ownedWindowK} indicating a child
//     *      {@code Window} object
//     *
//     * @see AWTEventMulticaster#save(java.io.ObjectOutputStream, java.lang.String, java.util.EventListener)
//     * @see Component#windowListenerK
//     * @see Component#windowFocusListenerK
//     * @see Component#ownedWindowK
//     * @see #readObject(ObjectInputStream)
//     */
//    private void writeObject(ObjectOutputStream s) throws IOException {
//        synchronized (this) {
//            // Update old focusMgr fields so that our object stream can be read
//            // by previous releases
//            focusMgr = new FocusManager();
//            focusMgr.focusRoot = this;
//            focusMgr.focusOwner = getMostRecentFocusOwner();
//
//            s.defaultWriteObject();
//
//            // Clear fields so that we don't keep extra references around
//            focusMgr = null;
//
//            AWTEventMulticaster.save(s, windowListenerK, windowListener);
//            AWTEventMulticaster.save(s, windowFocusListenerK, windowFocusListener);
//            AWTEventMulticaster.save(s, windowStateListenerK, windowStateListener);
//        }
//
//        s.writeObject(null);
//
//        synchronized (ownedWindowList) {
//            for (int i = 0; i < ownedWindowList.size(); i++) {
//                Window child = ownedWindowList.elementAt(i).get();
//                if (child != null) {
//                    s.writeObject(ownedWindowK);
//                    s.writeObject(child);
//                }
//            }
//        }
//        s.writeObject(null);
//
//        //write icon array
//        if (icons != null) {
//            for (Image i : icons) {
//                if (i instanceof Serializable) {
//                    s.writeObject(i);
//                }
//            }
//        }
//        s.writeObject(null);
//    }
//
//    //
//    // Part of deserialization procedure to be called before
//    // user's code.
//    //
//    private void initDeserializedWindow() {
//        setWarningString();
//        inputContextLock = new Object();
//
//        // Deserialized Windows are not yet visible.
//        visible = false;
//
//        weakThis = new WeakReference<>(this);
//
//        anchor = new Object();
//        disposerRecord = new WindowDisposerRecord(appContext, this);
//        sun.java2d.Disposer.addRecord(anchor, disposerRecord);
//
//        addToWindowList();
//        initGC(null);
//        ownedWindowList = new Vector<>();
//    }
//
//    private void deserializeResources(ObjectInputStream s)
//        throws ClassNotFoundException, IOException, HeadlessException {
//
//            if (windowSerializedDataVersion < 2) {
//                // Translate old-style focus tracking to new model. For 1.4 and
//                // later releases, we'll rely on the Window's initial focusable
//                // Component.
//                if (focusMgr != null) {
//                    if (focusMgr.focusOwner != null) {
//                        KeyboardFocusManager.
//                            setMostRecentFocusOwner(this, focusMgr.focusOwner);
//                    }
//                }
//
//                // This field is non-transient and relies on default serialization.
//                // However, the default value is insufficient, so we need to set
//                // it explicitly for object data streams prior to 1.4.
//                focusableWindowState = true;
//
//
//            }
//
//        Object keyOrNull;
//        while(null != (keyOrNull = s.readObject())) {
//            String key = ((String)keyOrNull).intern();
//
//            if (windowListenerK == key) {
//                addWindowListener((WindowListener)(s.readObject()));
//            } else if (windowFocusListenerK == key) {
//                addWindowFocusListener((WindowFocusListener)(s.readObject()));
//            } else if (windowStateListenerK == key) {
//                addWindowStateListener((WindowStateListener)(s.readObject()));
//            } else // skip value for unrecognized key
//                s.readObject();
//        }
//
//        try {
//            while (null != (keyOrNull = s.readObject())) {
//                String key = ((String)keyOrNull).intern();
//
//                if (ownedWindowK == key)
//                    connectOwnedWindow((Window) s.readObject());
//
//                else // skip value for unrecognized key
//                    s.readObject();
//            }
//
//            //read icons
//            Object obj = s.readObject(); //Throws OptionalDataException
//                                         //for pre1.6 objects.
//            icons = new ArrayList<Image>(); //Frame.readObject() assumes
//                                            //pre1.6 version if icons is null.
//            while (obj != null) {
//                if (obj instanceof Image) {
//                    icons.add((Image)obj);
//                }
//                obj = s.readObject();
//            }
//        }
//        catch (OptionalDataException e) {
//            // 1.1 serialized form
//            // ownedWindowList will be updated by Frame.readObject
//        }
//
//    }
//
//    /**
//     * Reads the {@code ObjectInputStream} and an optional
//     * list of listeners to receive various events fired by
//     * the component; also reads a list of
//     * (possibly {@code null}) child windows.
//     * Unrecognized keys or values will be ignored.
//     *
//     * @param s the {@code ObjectInputStream} to read
//     * @exception HeadlessException if
//     *   {@code GraphicsEnvironment.isHeadless} returns
//     *   {@code true}
//     * @see java.awt.GraphicsEnvironment#isHeadless
//     * @see #writeObject
//     */
//    private void readObject(ObjectInputStream s)
//      throws ClassNotFoundException, IOException, HeadlessException
//    {
//         GraphicsEnvironment.checkHeadless();
//         initDeserializedWindow();
//         ObjectInputStream.GetField f = s.readFields();
//
//         syncLWRequests = f.get("syncLWRequests", systemSyncLWRequests);
//         state = f.get("state", 0);
//         focusableWindowState = f.get("focusableWindowState", true);
//         windowSerializedDataVersion = f.get("windowSerializedDataVersion", 1);
//         locationByPlatform = f.get("locationByPlatform", locationByPlatformProp);
//         // Note: 1.4 (or later) doesn't use focusMgr
//         focusMgr = (FocusManager)f.get("focusMgr", null);
//         Dialog.ModalExclusionType et = (Dialog.ModalExclusionType)
//             f.get("modalExclusionType", Dialog.ModalExclusionType.NO_EXCLUDE);
//         setModalExclusionType(et); // since 6.0
//         boolean aot = f.get("alwaysOnTop", false);
//         if(aot) {
//             setAlwaysOnTop(aot); // since 1.5; subject to permission check
//         }
//         shape = (Shape)f.get("shape", null);
//         opacity = (Float)f.get("opacity", 1.0f);
//
//         this.securityWarningWidth = 0;
//         this.securityWarningHeight = 0;
//         this.securityWarningPointX = 2.0;
//         this.securityWarningPointY = 0.0;
//         this.securityWarningAlignmentX = RIGHT_ALIGNMENT;
//         this.securityWarningAlignmentY = TOP_ALIGNMENT;
//
//         deserializeResources(s);
//    }
//
//    /*
//     * --- Accessibility Support ---
//     *
//     */
//
//    /**
//     * Gets the AccessibleContext associated with this Window.
//     * For windows, the AccessibleContext takes the form of an
//     * AccessibleAWTWindow.
//     * A new AccessibleAWTWindow instance is created if necessary.
//     *
//     * @return an AccessibleAWTWindow that serves as the
//     *         AccessibleContext of this Window
//     * @since 1.3
//     */
//    public AccessibleContext getAccessibleContext() {
//        if (accessibleContext == null) {
//            accessibleContext = new AccessibleAWTWindow();
//        }
//        return accessibleContext;
//    }
//
//    /**
//     * This class implements accessibility support for the
//     * {@code Window} class.  It provides an implementation of the
//     * Java Accessibility API appropriate to window user-interface elements.
//     * @since 1.3
//     */
//    protected class AccessibleAWTWindow extends AccessibleAWTContainer
//    {
//        /*
//         * JDK 1.3 serialVersionUID
//         */
//        private static final long serialVersionUID = 4215068635060671780L;
//
//        /**
//         * Get the role of this object.
//         *
//         * @return an instance of AccessibleRole describing the role of the
//         * object
//         * @see javax.accessibility.AccessibleRole
//         */
//        public AccessibleRole getAccessibleRole() {
//            return AccessibleRole.WINDOW;
//        }
//
//        /**
//         * Get the state of this object.
//         *
//         * @return an instance of AccessibleStateSet containing the current
//         * state set of the object
//         * @see javax.accessibility.AccessibleState
//         */
//        public AccessibleStateSet getAccessibleStateSet() {
//            AccessibleStateSet states = super.getAccessibleStateSet();
//            if (getFocusOwner() != null) {
//                states.add(AccessibleState.ACTIVE);
//            }
//            return states;
//        }
//
//    } // inner class AccessibleAWTWindow
//
//    @Override
//    void setGraphicsConfiguration(GraphicsConfiguration gc) {
//        if (gc == null) {
//            gc = GraphicsEnvironment.
//                    getLocalGraphicsEnvironment().
//                    getDefaultScreenDevice().
//                    getDefaultConfiguration();
//        }
//        synchronized (getTreeLock()) {
//            super.setGraphicsConfiguration(gc);
//            if (log.isLoggable(PlatformLogger.Level.FINER)) {
//                log.finer("+ Window.setGraphicsConfiguration(): new GC is \n+ " + getGraphicsConfiguration_NoClientCode() + "\n+ this is " + this);
//            }
//        }
//    }
//
//    /**
//     * Sets the location of the window relative to the specified
//     * component according to the following scenarios.
//     * <p>
//     * The target screen mentioned below is a screen to which
//     * the window should be placed after the setLocationRelativeTo
//     * method is called.
//     * <ul>
//     * <li>If the component is {@code null}, or the {@code
//     * GraphicsConfiguration} associated with this component is
//     * {@code null}, the window is placed in the center of the
//     * screen. The center point can be obtained with the {@link
//     * GraphicsEnvironment#getCenterPoint
//     * GraphicsEnvironment.getCenterPoint} method.
//     * <li>If the component is not {@code null}, but it is not
//     * currently showing, the window is placed in the center of
//     * the target screen defined by the {@code
//     * GraphicsConfiguration} associated with this component.
//     * <li>If the component is not {@code null} and is shown on
//     * the screen, then the window is located in such a way that
//     * the center of the window coincides with the center of the
//     * component.
//     * </ul>
//     * <p>
//     * If the screens configuration does not allow the window to
//     * be moved from one screen to another, then the window is
//     * only placed at the location determined according to the
//     * above conditions and its {@code GraphicsConfiguration} is
//     * not changed.
//     * <p>
//     * <b>Note</b>: If the lower edge of the window is out of the screen,
//     * then the window is placed to the side of the {@code Component}
//     * that is closest to the center of the screen. So if the
//     * component is on the right part of the screen, the window
//     * is placed to its left, and vice versa.
//     * <p>
//     * If after the window location has been calculated, the upper,
//     * left, or right edge of the window is out of the screen,
//     * then the window is located in such a way that the upper,
//     * left, or right edge of the window coincides with the
//     * corresponding edge of the screen. If both left and right
//     * edges of the window are out of the screen, the window is
//     * placed at the left side of the screen. The similar placement
//     * will occur if both top and bottom edges are out of the screen.
//     * In that case, the window is placed at the top side of the screen.
//     * <p>
//     * The method changes the geometry-related data. Therefore,
//     * the native windowing system may ignore such requests, or it may modify
//     * the requested data, so that the {@code Window} object is placed and sized
//     * in a way that corresponds closely to the desktop settings.
//     *
//     * @param c  the component in relation to which the window's location
//     *           is determined
//     * @see java.awt.GraphicsEnvironment#getCenterPoint
//     * @since 1.4
//     */
//    public void setLocationRelativeTo(Component c) {
//        // target location
//        int dx = 0, dy = 0;
//        // target GC
//        GraphicsConfiguration gc = getGraphicsConfiguration_NoClientCode();
//        Rectangle gcBounds = gc.getBounds();
//
//        Dimension windowSize = getSize();
//
//        // search a top-level of c
//        Window componentWindow = SunToolkit.getContainingWindow(c);
//        if ((c == null) || (componentWindow == null)) {
//            GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment();
//            gc = ge.getDefaultScreenDevice().getDefaultConfiguration();
//            gcBounds = gc.getBounds();
//            Point centerPoint = ge.getCenterPoint();
//            dx = centerPoint.x - windowSize.width / 2;
//            dy = centerPoint.y - windowSize.height / 2;
//        } else if (!c.isShowing()) {
//            gc = componentWindow.getGraphicsConfiguration();
//            gcBounds = gc.getBounds();
//            dx = gcBounds.x + (gcBounds.width - windowSize.width) / 2;
//            dy = gcBounds.y + (gcBounds.height - windowSize.height) / 2;
//        } else {
//            gc = componentWindow.getGraphicsConfiguration();
//            gcBounds = gc.getBounds();
//            Dimension compSize = c.getSize();
//            Point compLocation = c.getLocationOnScreen();
//            dx = compLocation.x + ((compSize.width - windowSize.width) / 2);
//            dy = compLocation.y + ((compSize.height - windowSize.height) / 2);
//
//            // Adjust for bottom edge being offscreen
//            if (dy + windowSize.height > gcBounds.y + gcBounds.height) {
//                dy = gcBounds.y + gcBounds.height - windowSize.height;
//                if (compLocation.x - gcBounds.x + compSize.width / 2 < gcBounds.width / 2) {
//                    dx = compLocation.x + compSize.width;
//                } else {
//                    dx = compLocation.x - windowSize.width;
//                }
//            }
//        }
//
//        // Avoid being placed off the edge of the screen:
//        // bottom
//        if (dy + windowSize.height > gcBounds.y + gcBounds.height) {
//            dy = gcBounds.y + gcBounds.height - windowSize.height;
//        }
//        // top
//        if (dy < gcBounds.y) {
//            dy = gcBounds.y;
//        }
//        // right
//        if (dx + windowSize.width > gcBounds.x + gcBounds.width) {
//            dx = gcBounds.x + gcBounds.width - windowSize.width;
//        }
//        // left
//        if (dx < gcBounds.x) {
//            dx = gcBounds.x;
//        }
//
//        setLocation(dx, dy);
//    }
//
//    /**
//     * Overridden from Component.  Top-level Windows should not propagate a
//     * MouseWheelEvent beyond themselves into their owning Windows.
//     */
//    void deliverMouseWheelToAncestor(MouseWheelEvent e) {}
//
//    /**
//     * Overridden from Component.  Top-level Windows don't dispatch to ancestors
//     */
//    boolean dispatchMouseWheelToAncestor(MouseWheelEvent e) {return false;}
//
//    /**
//     * Creates a new strategy for multi-buffering on this component.
//     * Multi-buffering is useful for rendering performance.  This method
//     * attempts to create the best strategy available with the number of
//     * buffers supplied.  It will always create a {@code BufferStrategy}
//     * with that number of buffers.
//     * A page-flipping strategy is attempted first, then a blitting strategy
//     * using accelerated buffers.  Finally, an unaccelerated blitting
//     * strategy is used.
//     * <p>
//     * Each time this method is called,
//     * the existing buffer strategy for this component is discarded.
//     * @param numBuffers number of buffers to create
//     * @exception IllegalArgumentException if numBuffers is less than 1.
//     * @exception IllegalStateException if the component is not displayable
//     * @see #isDisplayable
//     * @see #getBufferStrategy
//     * @since 1.4
//     */
//    public void createBufferStrategy(int numBuffers) {
//        super.createBufferStrategy(numBuffers);
//    }
//
//    /**
//     * Creates a new strategy for multi-buffering on this component with the
//     * required buffer capabilities.  This is useful, for example, if only
//     * accelerated memory or page flipping is desired (as specified by the
//     * buffer capabilities).
//     * <p>
//     * Each time this method
//     * is called, the existing buffer strategy for this component is discarded.
//     * @param numBuffers number of buffers to create, including the front buffer
//     * @param caps the required capabilities for creating the buffer strategy;
//     * cannot be {@code null}
//     * @exception AWTException if the capabilities supplied could not be
//     * supported or met; this may happen, for example, if there is not enough
//     * accelerated memory currently available, or if page flipping is specified
//     * but not possible.
//     * @exception IllegalArgumentException if numBuffers is less than 1, or if
//     * caps is {@code null}
//     * @see #getBufferStrategy
//     * @since 1.4
//     */
//    public void createBufferStrategy(int numBuffers,
//        BufferCapabilities caps) throws AWTException {
//        super.createBufferStrategy(numBuffers, caps);
//    }
//
//    /**
//     * Returns the {@code BufferStrategy} used by this component.  This
//     * method will return null if a {@code BufferStrategy} has not yet
//     * been created or has been disposed.
//     *
//     * @return the buffer strategy used by this component
//     * @see #createBufferStrategy
//     * @since 1.4
//     */
//    public BufferStrategy getBufferStrategy() {
//        return super.getBufferStrategy();
//    }
//
//    Component getTemporaryLostComponent() {
//        return temporaryLostComponent;
//    }
//    Component setTemporaryLostComponent(Component component) {
//        Component previousComp = temporaryLostComponent;
//        // Check that "component" is an acceptable focus owner and don't store it otherwise
//        // - or later we will have problems with opposite while handling  WINDOW_GAINED_FOCUS
//        if (component == null || component.canBeFocusOwner()) {
//            temporaryLostComponent = component;
//        } else {
//            temporaryLostComponent = null;
//        }
//        return previousComp;
//    }
//
//    /**
//     * Checks whether this window can contain focus owner.
//     * Verifies that it is focusable and as container it can container focus owner.
//     * @since 1.5
//     */
//    boolean canContainFocusOwner(Component focusOwnerCandidate) {
//        return super.canContainFocusOwner(focusOwnerCandidate) && isFocusableWindow();
//    }
//
//    private volatile boolean locationByPlatform = locationByPlatformProp;
//
//
//    /**
//     * Sets whether this Window should appear at the default location for the
//     * native windowing system or at the current location (returned by
//     * {@code getLocation}) the next time the Window is made visible.
//     * This behavior resembles a native window shown without programmatically
//     * setting its location.  Most windowing systems cascade windows if their
//     * locations are not explicitly set. The actual location is determined once the
//     * window is shown on the screen.
//     * <p>
//     * This behavior can also be enabled by setting the System Property
//     * "java.awt.Window.locationByPlatform" to "true", though calls to this method
//     * take precedence.
//     * <p>
//     * Calls to {@code setVisible}, {@code setLocation} and
//     * {@code setBounds} after calling {@code setLocationByPlatform} clear
//     * this property of the Window.
//     * <p>
//     * For example, after the following code is executed:
//     * <pre>
//     * setLocationByPlatform(true);
//     * setVisible(true);
//     * boolean flag = isLocationByPlatform();
//     * </pre>
//     * The window will be shown at platform's default location and
//     * {@code flag} will be {@code false}.
//     * <p>
//     * In the following sample:
//     * <pre>
//     * setLocationByPlatform(true);
//     * setLocation(10, 10);
//     * boolean flag = isLocationByPlatform();
//     * setVisible(true);
//     * </pre>
//     * The window will be shown at (10, 10) and {@code flag} will be
//     * {@code false}.
//     *
//     * @param locationByPlatform {@code true} if this Window should appear
//     *        at the default location, {@code false} if at the current location
//     * @throws IllegalComponentStateException if the window
//     *         is showing on screen and locationByPlatform is {@code true}.
//     * @see #setLocation
//     * @see #isShowing
//     * @see #setVisible
//     * @see #isLocationByPlatform
//     * @see java.lang.System#getProperty(String)
//     * @since 1.5
//     */
//    public void setLocationByPlatform(boolean locationByPlatform) {
//        synchronized (getTreeLock()) {
//            if (locationByPlatform && isShowing()) {
//                throw new IllegalComponentStateException("The window is showing on screen.");
//            }
//            this.locationByPlatform = locationByPlatform;
//        }
//    }
//
//    /**
//     * Returns {@code true} if this Window will appear at the default location
//     * for the native windowing system the next time this Window is made visible.
//     * This method always returns {@code false} if the Window is showing on the
//     * screen.
//     *
//     * @return whether this Window will appear at the default location
//     * @see #setLocationByPlatform
//     * @see #isShowing
//     * @since 1.5
//     */
//    public boolean isLocationByPlatform() {
//        return locationByPlatform;
//    }
//
//    /**
//     * {@inheritDoc}
//     * <p>
//     * The {@code width} or {@code height} values
//     * are automatically enlarged if either is less than
//     * the minimum size as specified by previous call to
//     * {@code setMinimumSize}.
//     * <p>
//     * The method changes the geometry-related data. Therefore,
//     * the native windowing system may ignore such requests, or it may modify
//     * the requested data, so that the {@code Window} object is placed and sized
//     * in a way that corresponds closely to the desktop settings.
//     *
//     * @see #getBounds
//     * @see #setLocation(int, int)
//     * @see #setLocation(Point)
//     * @see #setSize(int, int)
//     * @see #setSize(Dimension)
//     * @see #setMinimumSize
//     * @see #setLocationByPlatform
//     * @see #isLocationByPlatform
//     * @since 1.6
//     */
//    public void setBounds(int x, int y, int width, int height) {
//        synchronized (getTreeLock()) {
//            if (getBoundsOp() == ComponentPeer.SET_LOCATION ||
//                getBoundsOp() == ComponentPeer.SET_BOUNDS)
//            {
//                locationByPlatform = false;
//            }
//            super.setBounds(x, y, width, height);
//        }
//    }
//
//    /**
//     * {@inheritDoc}
//     * <p>
//     * The {@code r.width} or {@code r.height} values
//     * will be automatically enlarged if either is less than
//     * the minimum size as specified by previous call to
//     * {@code setMinimumSize}.
//     * <p>
//     * The method changes the geometry-related data. Therefore,
//     * the native windowing system may ignore such requests, or it may modify
//     * the requested data, so that the {@code Window} object is placed and sized
//     * in a way that corresponds closely to the desktop settings.
//     *
//     * @see #getBounds
//     * @see #setLocation(int, int)
//     * @see #setLocation(Point)
//     * @see #setSize(int, int)
//     * @see #setSize(Dimension)
//     * @see #setMinimumSize
//     * @see #setLocationByPlatform
//     * @see #isLocationByPlatform
//     * @since 1.6
//     */
//    public void setBounds(Rectangle r) {
//        setBounds(r.x, r.y, r.width, r.height);
//    }
//
//    /**
//     * Determines whether this component will be displayed on the screen.
//     * @return {@code true} if the component and all of its ancestors
//     *          until a toplevel window are visible, {@code false} otherwise
//     */
//    boolean isRecursivelyVisible() {
//        // 5079694 fix: for a toplevel to be displayed, its parent doesn't have to be visible.
//        // We're overriding isRecursivelyVisible to implement this policy.
//        return visible;
//    }
//
//
//    // ******************** SHAPES & TRANSPARENCY CODE ********************
//
//    /**
//     * Returns the opacity of the window.
//     *
//     * @return the opacity of the window
//     *
//     * @see Window#setOpacity(float)
//     * @see GraphicsDevice.WindowTranslucency
//     *
//     * @since 1.7
//     */
//    public float getOpacity() {
//        return opacity;
//    }
//
//    /**
//     * Sets the opacity of the window.
//     * <p>
//     * The opacity value is in the range [0..1]. Note that setting the opacity
//     * level of 0 may or may not disable the mouse event handling on this
//     * window. This is a platform-dependent behavior.
//     * <p>
//     * The following conditions must be met in order to set the opacity value
//     * less than {@code 1.0f}:
//     * <ul>
//     * <li>The {@link GraphicsDevice.WindowTranslucency#TRANSLUCENT TRANSLUCENT}
//     * translucency must be supported by the underlying system
//     * <li>The window must be undecorated (see {@link Frame#setUndecorated}
//     * and {@link Dialog#setUndecorated})
//     * <li>The window must not be in full-screen mode (see {@link
//     * GraphicsDevice#setFullScreenWindow(Window)})
//     * </ul>
//     * <p>
//     * If the requested opacity value is less than {@code 1.0f}, and any of the
//     * above conditions are not met, the window opacity will not change,
//     * and the {@code IllegalComponentStateException} will be thrown.
//     * <p>
//     * The translucency levels of individual pixels may also be effected by the
//     * alpha component of their color (see {@link Window#setBackground(Color)}) and the
//     * current shape of this window (see {@link #setShape(Shape)}).
//     *
//     * @param opacity the opacity level to set to the window
//     *
//     * @throws IllegalArgumentException if the opacity is out of the range
//     *     [0..1]
//     * @throws IllegalComponentStateException if the window is decorated and
//     *     the opacity is less than {@code 1.0f}
//     * @throws IllegalComponentStateException if the window is in full screen
//     *     mode, and the opacity is less than {@code 1.0f}
//     * @throws UnsupportedOperationException if the {@code
//     *     GraphicsDevice.WindowTranslucency#TRANSLUCENT TRANSLUCENT}
//     *     translucency is not supported and the opacity is less than
//     *     {@code 1.0f}
//     *
//     * @see Window#getOpacity
//     * @see Window#setBackground(Color)
//     * @see Window#setShape(Shape)
//     * @see Frame#isUndecorated
//     * @see Dialog#isUndecorated
//     * @see GraphicsDevice.WindowTranslucency
//     * @see GraphicsDevice#isWindowTranslucencySupported(GraphicsDevice.WindowTranslucency)
//     *
//     * @since 1.7
//     */
//    public void setOpacity(float opacity) {
//        synchronized (getTreeLock()) {
//            if (opacity < 0.0f || opacity > 1.0f) {
//                throw new IllegalArgumentException(
//                    "The value of opacity should be in the range [0.0f .. 1.0f].");
//            }
//            if (opacity < 1.0f) {
//                GraphicsConfiguration gc = getGraphicsConfiguration();
//                GraphicsDevice gd = gc.getDevice();
//                if (gc.getDevice().getFullScreenWindow() == this) {
//                    throw new IllegalComponentStateException(
//                        "Setting opacity for full-screen window is not supported.");
//                }
//                if (!gd.isWindowTranslucencySupported(
//                    GraphicsDevice.WindowTranslucency.TRANSLUCENT))
//                {
//                    throw new UnsupportedOperationException(
//                        "TRANSLUCENT translucency is not supported.");
//                }
//            }
//            this.opacity = opacity;
//            WindowPeer peer = (WindowPeer)getPeer();
//            if (peer != null) {
//                peer.setOpacity(opacity);
//            }
//        }
//    }
//
//    /**
//     * Returns the shape of the window.
//     *
//     * The value returned by this method may not be the same as
//     * previously set with {@code setShape(shape)}, but it is guaranteed
//     * to represent the same shape.
//     *
//     * @return the shape of the window or {@code null} if no
//     *     shape is specified for the window
//     *
//     * @see Window#setShape(Shape)
//     * @see GraphicsDevice.WindowTranslucency
//     *
//     * @since 1.7
//     */
//    public Shape getShape() {
//        synchronized (getTreeLock()) {
//            return shape == null ? null : new Path2D.Float(shape);
//        }
//    }
//
//    /**
//     * Sets the shape of the window.
//     * <p>
//     * Setting a shape cuts off some parts of the window. Only the parts that
//     * belong to the given {@link Shape} remain visible and clickable. If
//     * the shape argument is {@code null}, this method restores the default
//     * shape, making the window rectangular on most platforms.
//     * <p>
//     * The following conditions must be met to set a non-null shape:
//     * <ul>
//     * <li>The {@link GraphicsDevice.WindowTranslucency#PERPIXEL_TRANSPARENT
//     * PERPIXEL_TRANSPARENT} translucency must be supported by the
//     * underlying system
//     * <li>The window must be undecorated (see {@link Frame#setUndecorated}
//     * and {@link Dialog#setUndecorated})
//     * <li>The window must not be in full-screen mode (see {@link
//     * GraphicsDevice#setFullScreenWindow(Window)})
//     * </ul>
//     * <p>
//     * If the requested shape is not {@code null}, and any of the above
//     * conditions are not met, the shape of this window will not change,
//     * and either the {@code UnsupportedOperationException} or {@code
//     * IllegalComponentStateException} will be thrown.
//     * <p>
//     * The translucency levels of individual pixels may also be effected by the
//     * alpha component of their color (see {@link Window#setBackground(Color)}) and the
//     * opacity value (see {@link #setOpacity(float)}). See {@link
//     * GraphicsDevice.WindowTranslucency} for more details.
//     *
//     * @param shape the shape to set to the window
//     *
//     * @throws IllegalComponentStateException if the shape is not {@code
//     *     null} and the window is decorated
//     * @throws IllegalComponentStateException if the shape is not {@code
//     *     null} and the window is in full-screen mode
//     * @throws UnsupportedOperationException if the shape is not {@code
//     *     null} and {@link GraphicsDevice.WindowTranslucency#PERPIXEL_TRANSPARENT
//     *     PERPIXEL_TRANSPARENT} translucency is not supported
//     *
//     * @see Window#getShape()
//     * @see Window#setBackground(Color)
//     * @see Window#setOpacity(float)
//     * @see Frame#isUndecorated
//     * @see Dialog#isUndecorated
//     * @see GraphicsDevice.WindowTranslucency
//     * @see GraphicsDevice#isWindowTranslucencySupported(GraphicsDevice.WindowTranslucency)
//     *
//     * @since 1.7
//     */
//    public void setShape(Shape shape) {
//        synchronized (getTreeLock()) {
//            if (shape != null) {
//                GraphicsConfiguration gc = getGraphicsConfiguration();
//                GraphicsDevice gd = gc.getDevice();
//                if (gc.getDevice().getFullScreenWindow() == this) {
//                    throw new IllegalComponentStateException(
//                        "Setting shape for full-screen window is not supported.");
//                }
//                if (!gd.isWindowTranslucencySupported(
//                        GraphicsDevice.WindowTranslucency.PERPIXEL_TRANSPARENT))
//                {
//                    throw new UnsupportedOperationException(
//                        "PERPIXEL_TRANSPARENT translucency is not supported.");
//                }
//            }
//            this.shape = (shape == null) ? null : new Path2D.Float(shape);
//            WindowPeer peer = (WindowPeer)getPeer();
//            if (peer != null) {
//                peer.applyShape(shape == null ? null : Region.getInstance(shape, null));
//            }
//        }
//    }
//
//    /**
//     * Gets the background color of this window.
//     * <p>
//     * Note that the alpha component of the returned color indicates whether
//     * the window is in the non-opaque (per-pixel translucent) mode.
//     *
//     * @return this component's background color
//     *
//     * @see Window#setBackground(Color)
//     * @see Window#isOpaque
//     * @see GraphicsDevice.WindowTranslucency
//     */
//    @Override
//    public Color getBackground() {
//        return super.getBackground();
//    }
//
//    /**
//     * Sets the background color of this window.
//     * <p>
//     * If the windowing system supports the {@link
//     * GraphicsDevice.WindowTranslucency#PERPIXEL_TRANSLUCENT PERPIXEL_TRANSLUCENT}
//     * translucency, the alpha component of the given background color
//     * may effect the mode of operation for this window: it indicates whether
//     * this window must be opaque (alpha equals {@code 1.0f}) or per-pixel translucent
//     * (alpha is less than {@code 1.0f}). If the given background color is
//     * {@code null}, the window is considered completely opaque.
//     * <p>
//     * All the following conditions must be met to enable the per-pixel
//     * transparency mode for this window:
//     * <ul>
//     * <li>The {@link GraphicsDevice.WindowTranslucency#PERPIXEL_TRANSLUCENT
//     * PERPIXEL_TRANSLUCENT} translucency must be supported by the graphics
//     * device where this window is located
//     * <li>The window must be undecorated (see {@link Frame#setUndecorated}
//     * and {@link Dialog#setUndecorated})
//     * <li>The window must not be in full-screen mode (see {@link
//     * GraphicsDevice#setFullScreenWindow(Window)})
//     * </ul>
//     * <p>
//     * If the alpha component of the requested background color is less than
//     * {@code 1.0f}, and any of the above conditions are not met, the background
//     * color of this window will not change, the alpha component of the given
//     * background color will not affect the mode of operation for this window,
//     * and either the {@code UnsupportedOperationException} or {@code
//     * IllegalComponentStateException} will be thrown.
//     * <p>
//     * When the window is per-pixel translucent, the drawing sub-system
//     * respects the alpha value of each individual pixel. If a pixel gets
//     * painted with the alpha color component equal to zero, it becomes
//     * visually transparent. If the alpha of the pixel is equal to 1.0f, the
//     * pixel is fully opaque. Interim values of the alpha color component make
//     * the pixel semi-transparent. In this mode, the background of the window
//     * gets painted with the alpha value of the given background color. If the
//     * alpha value of the argument of this method is equal to {@code 0}, the
//     * background is not painted at all.
//     * <p>
//     * The actual level of translucency of a given pixel also depends on window
//     * opacity (see {@link #setOpacity(float)}), as well as the current shape of
//     * this window (see {@link #setShape(Shape)}).
//     * <p>
//     * Note that painting a pixel with the alpha value of {@code 0} may or may
//     * not disable the mouse event handling on this pixel. This is a
//     * platform-dependent behavior. To make sure the mouse events do not get
//     * dispatched to a particular pixel, the pixel must be excluded from the
//     * shape of the window.
//     * <p>
//     * Enabling the per-pixel translucency mode may change the graphics
//     * configuration of this window due to the native platform requirements.
//     *
//     * @param bgColor the color to become this window's background color.
//     *
//     * @throws IllegalComponentStateException if the alpha value of the given
//     *     background color is less than {@code 1.0f} and the window is decorated
//     * @throws IllegalComponentStateException if the alpha value of the given
//     *     background color is less than {@code 1.0f} and the window is in
//     *     full-screen mode
//     * @throws UnsupportedOperationException if the alpha value of the given
//     *     background color is less than {@code 1.0f} and {@link
//     *     GraphicsDevice.WindowTranslucency#PERPIXEL_TRANSLUCENT
//     *     PERPIXEL_TRANSLUCENT} translucency is not supported
//     *
//     * @see Window#getBackground
//     * @see Window#isOpaque
//     * @see Window#setOpacity(float)
//     * @see Window#setShape(Shape)
//     * @see Frame#isUndecorated
//     * @see Dialog#isUndecorated
//     * @see GraphicsDevice.WindowTranslucency
//     * @see GraphicsDevice#isWindowTranslucencySupported(GraphicsDevice.WindowTranslucency)
//     * @see GraphicsConfiguration#isTranslucencyCapable()
//     */
//    @Override
//    public void setBackground(Color bgColor) {
//        Color oldBg = getBackground();
//        super.setBackground(bgColor);
//        if (oldBg != null && oldBg.equals(bgColor)) {
//            return;
//        }
//        int oldAlpha = oldBg != null ? oldBg.getAlpha() : 255;
//        int alpha = bgColor != null ? bgColor.getAlpha() : 255;
//        if ((oldAlpha == 255) && (alpha < 255)) { // non-opaque window
//            GraphicsConfiguration gc = getGraphicsConfiguration();
//            GraphicsDevice gd = gc.getDevice();
//            if (gc.getDevice().getFullScreenWindow() == this) {
//                throw new IllegalComponentStateException(
//                    "Making full-screen window non opaque is not supported.");
//            }
//            if (!gc.isTranslucencyCapable()) {
//                GraphicsConfiguration capableGC = gd.getTranslucencyCapableGC();
//                if (capableGC == null) {
//                    throw new UnsupportedOperationException(
//                        "PERPIXEL_TRANSLUCENT translucency is not supported");
//                }
//                setGraphicsConfiguration(capableGC);
//            }
//            setLayersOpaque(this, false);
//        } else if ((oldAlpha < 255) && (alpha == 255)) {
//            setLayersOpaque(this, true);
//        }
//        WindowPeer peer = (WindowPeer)getPeer();
//        if (peer != null) {
//            peer.setOpaque(alpha == 255);
//        }
//    }
//
//    /**
//     * Indicates if the window is currently opaque.
//     * <p>
//     * The method returns {@code false} if the background color of the window
//     * is not {@code null} and the alpha component of the color is less than
//     * {@code 1.0f}. The method returns {@code true} otherwise.
//     *
//     * @return {@code true} if the window is opaque, {@code false} otherwise
//     *
//     * @see Window#getBackground
//     * @see Window#setBackground(Color)
//     * @since 1.7
//     */
//    @Override
//    public boolean isOpaque() {
//        Color bg = getBackground();
//        return bg != null ? bg.getAlpha() == 255 : true;
//    }
//
//    private void updateWindow() {
//        synchronized (getTreeLock()) {
//            WindowPeer peer = (WindowPeer)getPeer();
//            if (peer != null) {
//                peer.updateWindow();
//            }
//        }
//    }
//
//    /**
//     * {@inheritDoc}
//     *
//     * @since 1.7
//     */
//    @Override
//    public void paint(Graphics g) {
//        if (!isOpaque()) {
//            Graphics gg = g.create();
//            try {
//                if (gg instanceof Graphics2D) {
//                    gg.setColor(getBackground());
//                    ((Graphics2D)gg).setComposite(AlphaComposite.getInstance(AlphaComposite.SRC));
//                    gg.fillRect(0, 0, getWidth(), getHeight());
//                }
//            } finally {
//                gg.dispose();
//            }
//        }
//        super.paint(g);
//    }
//
//    private static void setLayersOpaque(Component component, boolean isOpaque) {
//        // Shouldn't use instanceof to avoid loading Swing classes
//        //    if it's a pure AWT application.
//        if (SunToolkit.isInstanceOf(component, "javax.swing.RootPaneContainer")) {
//            javax.swing.RootPaneContainer rpc = (javax.swing.RootPaneContainer)component;
//            javax.swing.JRootPane root = rpc.getRootPane();
//            javax.swing.JLayeredPane lp = root.getLayeredPane();
//            Container c = root.getContentPane();
//            javax.swing.JComponent content =
//                (c instanceof javax.swing.JComponent) ? (javax.swing.JComponent)c : null;
//            lp.setOpaque(isOpaque);
//            root.setOpaque(isOpaque);
//            if (content != null) {
//                content.setOpaque(isOpaque);
//
//                // Iterate down one level to see whether we have a JApplet
//                // (which is also a RootPaneContainer) which requires processing
//                int numChildren = content.getComponentCount();
//                if (numChildren > 0) {
//                    Component child = content.getComponent(0);
//                    // It's OK to use instanceof here because we've
//                    // already loaded the RootPaneContainer class by now
//                    if (child instanceof javax.swing.RootPaneContainer) {
//                        setLayersOpaque(child, isOpaque);
//                    }
//                }
//            }
//        }
//    }
//
//
//    // ************************** MIXING CODE *******************************
//
//    // A window has an owner, but it does NOT have a container
//    @Override
//    final Container getContainer() {
//        return null;
//    }
//
//    /**
//     * Applies the shape to the component
//     * @param shape Shape to be applied to the component
//     */
//    @Override
//    final void applyCompoundShape(Region shape) {
//        // The shape calculated by mixing code is not intended to be applied
//        // to windows or frames
//    }
//
//    @Override
//    final void applyCurrentShape() {
//        // The shape calculated by mixing code is not intended to be applied
//        // to windows or frames
//    }
//
//    @Override
//    final void mixOnReshaping() {
//        // The shape calculated by mixing code is not intended to be applied
//        // to windows or frames
//    }
//
//    @Override
//    final Point getLocationOnWindow() {
//        return new Point(0, 0);
//    }
//
//    // ****************** END OF MIXING CODE ********************************
//
//    /**
//     * Limit the given double value with the given range.
//     */
//    private static double limit(double value, double min, double max) {
//        value = Math.max(value, min);
//        value = Math.min(value, max);
//        return value;
//    }
//
//    /**
//     * Calculate the position of the security warning.
//     *
//     * This method gets the window location/size as reported by the native
//     * system since the locally cached values may represent outdated data.
//     *
//     * The method is used from the native code, or via AWTAccessor.
//     *
//     * NOTE: this method is invoked on the toolkit thread, and therefore is not
//     * supposed to become public/user-overridable.
//     */
//    private Point2D calculateSecurityWarningPosition(double x, double y,
//            double w, double h)
//    {
//        // The position according to the spec of SecurityWarning.setPosition()
//        double wx = x + w * securityWarningAlignmentX + securityWarningPointX;
//        double wy = y + h * securityWarningAlignmentY + securityWarningPointY;
//
//        // First, make sure the warning is not too far from the window bounds
//        wx = Window.limit(wx,
//                x - securityWarningWidth - 2,
//                x + w + 2);
//        wy = Window.limit(wy,
//                y - securityWarningHeight - 2,
//                y + h + 2);
//
//        // Now make sure the warning window is visible on the screen
//        GraphicsConfiguration graphicsConfig =
//            getGraphicsConfiguration_NoClientCode();
//        Rectangle screenBounds = graphicsConfig.getBounds();
//        Insets screenInsets =
//            Toolkit.getDefaultToolkit().getScreenInsets(graphicsConfig);
//
//        wx = Window.limit(wx,
//                screenBounds.x + screenInsets.left,
//                screenBounds.x + screenBounds.width - screenInsets.right
//                - securityWarningWidth);
//        wy = Window.limit(wy,
//                screenBounds.y + screenInsets.top,
//                screenBounds.y + screenBounds.height - screenInsets.bottom
//                - securityWarningHeight);
//
//        return new Point2D.Double(wx, wy);
//    }
//
//    static {
//        AWTAccessor.setWindowAccessor(new AWTAccessor.WindowAccessor() {
//            public float getOpacity(Window window) {
//                return window.opacity;
//            }
//            public void setOpacity(Window window, float opacity) {
//                window.setOpacity(opacity);
//            }
//            public Shape getShape(Window window) {
//                return window.getShape();
//            }
//            public void setShape(Window window, Shape shape) {
//                window.setShape(shape);
//            }
//            public void setOpaque(Window window, boolean opaque) {
//                Color bg = window.getBackground();
//                if (bg == null) {
//                    bg = new Color(0, 0, 0, 0);
//                }
//                window.setBackground(new Color(bg.getRed(), bg.getGreen(), bg.getBlue(),
//                                               opaque ? 255 : 0));
//            }
//            public void updateWindow(Window window) {
//                window.updateWindow();
//            }
//
//            public Dimension getSecurityWarningSize(Window window) {
//                return new Dimension(window.securityWarningWidth,
//                        window.securityWarningHeight);
//            }
//
//            public void setSecurityWarningSize(Window window, int width, int height)
//            {
//                window.securityWarningWidth = width;
//                window.securityWarningHeight = height;
//            }
//
//            public void setSecurityWarningPosition(Window window,
//                    Point2D point, float alignmentX, float alignmentY)
//            {
//                window.securityWarningPointX = point.getX();
//                window.securityWarningPointY = point.getY();
//                window.securityWarningAlignmentX = alignmentX;
//                window.securityWarningAlignmentY = alignmentY;
//
//                synchronized (window.getTreeLock()) {
//                    WindowPeer peer = (WindowPeer)window.getPeer();
//                    if (peer != null) {
//                        peer.repositionSecurityWarning();
//                    }
//                }
//            }
//
//            public Point2D calculateSecurityWarningPosition(Window window,
//                    double x, double y, double w, double h)
//            {
//                return window.calculateSecurityWarningPosition(x, y, w, h);
//            }
//
//            public void setLWRequestStatus(Window changed, boolean status) {
//                changed.syncLWRequests = status;
//            }
//
//            public boolean isAutoRequestFocus(Window w) {
//                return w.autoRequestFocus;
//            }
//
//            public boolean isTrayIconWindow(Window w) {
//                return w.isTrayIconWindow;
//            }
//
//            public void setTrayIconWindow(Window w, boolean isTrayIconWindow) {
//                w.isTrayIconWindow = isTrayIconWindow;
//            }
//        }); // WindowAccessor
//    } // static
//
//    // a window doesn't need to be updated in the Z-order.
//    @Override
//    void updateZOrder() {}
//
//} // class Window
//
//
///**
// * This class is no longer used, but is maintained for Serialization
// * backward-compatibility.
// */
//class FocusManager implements java.io.Serializable {
//    Container focusRoot;
//    Component focusOwner;
//
//    /*
//     * JDK 1.1 serialVersionUID
//     */
//    static final long serialVersionUID = 2491878825643557906L;
//}
